diff --git a/package-lock.json b/package-lock.json
index 155f844b2..35a756a5c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,18 +5,18 @@
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
-      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
+      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
       "dev": true,
       "requires": {
         "@babel/highlight": "^7.0.0"
       }
     },
     "@babel/highlight": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
-      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
+      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
       "dev": true,
       "requires": {
         "chalk": "^2.0.0",
@@ -24,75 +24,50 @@
         "js-tokens": "^4.0.0"
       },
       "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
-          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          },
-          "dependencies": {
-            "escape-string-regexp": {
-              "version": "1.0.5",
-              "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-              "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-              "dev": true
-            }
-          }
-        },
         "js-tokens": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
           "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
           "dev": true
-        },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
         }
       }
     },
-    "@mrmlnc/readdir-enhanced": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
-      "integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
+    "@nodelib/fs.scandir": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz",
+      "integrity": "sha512-eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==",
       "dev": true,
       "requires": {
-        "call-me-maybe": "^1.0.1",
-        "glob-to-regexp": "^0.3.0"
+        "@nodelib/fs.stat": "2.0.3",
+        "run-parallel": "^1.1.9"
       }
     },
     "@nodelib/fs.stat": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz",
-      "integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.3.tgz",
+      "integrity": "sha512-bQBFruR2TAwoevBEd/NWMoAAtNGzTRgdrqnYCc7dhzfoNvqPzLyqlEQnzZ3kVnNrSp25iyxE00/3h2fqGAGArA==",
       "dev": true
     },
-    "@oclif/command": {
-      "version": "1.5.17",
-      "resolved": "https://registry.npmjs.org/@oclif/command/-/command-1.5.17.tgz",
-      "integrity": "sha512-it745U06qMKA5j3xEnMB/V9HkOTr2l42Q6MXNcGxj06Y7mhvahEQOYmj2NDWO6oRadyRRAtlEjZv82cenN0RlQ==",
+    "@nodelib/fs.walk": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.4.tgz",
+      "integrity": "sha512-1V9XOY4rDW0rehzbrcqAmHnz8e7SKvX27gh8Gt2WgB0+pdzdiLV83p72kZPU+jvMbS1qU5mauP2iOvO8rhmurQ==",
       "dev": true,
       "requires": {
+        "@nodelib/fs.scandir": "2.1.3",
+        "fastq": "^1.6.0"
+      }
+    },
+    "@oclif/command": {
+      "version": "1.5.19",
+      "resolved": "https://registry.npmjs.org/@oclif/command/-/command-1.5.19.tgz",
+      "integrity": "sha512-6+iaCMh/JXJaB2QWikqvGE9//wLEVYYwZd5sud8aLoLKog1Q75naZh2vlGVtg5Mq/NqpqGQvdIjJb3Bm+64AUQ==",
+      "dev": true,
+      "requires": {
+        "@oclif/config": "^1",
         "@oclif/errors": "^1.2.2",
         "@oclif/parser": "^3.8.3",
+        "@oclif/plugin-help": "^2",
         "debug": "^4.1.1",
         "semver": "^5.6.0"
       },
@@ -113,17 +88,17 @@
           "dev": true
         },
         "semver": {
-          "version": "5.7.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
           "dev": true
         }
       }
     },
     "@oclif/config": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/@oclif/config/-/config-1.13.2.tgz",
-      "integrity": "sha512-RUOKeuAaopo3zrA5hcgE0PT2lbAUT72+eJdqTlWyI9sbPrGHZgUwV+vrL6Qal7ywWYDkL0vrKd1YS4yXtKIDKw==",
+      "version": "1.13.3",
+      "resolved": "https://registry.npmjs.org/@oclif/config/-/config-1.13.3.tgz",
+      "integrity": "sha512-qs5XvGRw+1M41abOKCjd0uoeHCgsMxa2MurD2g2K8CtQlzlMXl0rW5idVeimIg5208LLuxkfzQo8TKAhhRCWLg==",
       "dev": true,
       "requires": {
         "@oclif/parser": "^3.8.0",
@@ -167,15 +142,6 @@
           "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
         "fs-extra": {
           "version": "7.0.1",
           "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
@@ -187,48 +153,6 @@
             "universalify": "^0.1.0"
           }
         },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "jsonfile": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
-          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.6"
-          }
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          },
-          "dependencies": {
-            "ansi-regex": {
-              "version": "3.0.0",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-              "dev": true
-            },
-            "strip-ansi": {
-              "version": "4.0.0",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^3.0.0"
-              }
-            }
-          }
-        },
         "strip-ansi": {
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
@@ -275,51 +199,20 @@
       "dev": true
     },
     "@oclif/parser": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/@oclif/parser/-/parser-3.8.3.tgz",
-      "integrity": "sha512-zN+3oGuv9Lg8NjFvxZTDKFEmhAMfAvd/JWeQp3Ri8pDezoyJQi4OSHHLM8sdHjBh8sePewfWI7+fDUXdrVbrqg==",
+      "version": "3.8.4",
+      "resolved": "https://registry.npmjs.org/@oclif/parser/-/parser-3.8.4.tgz",
+      "integrity": "sha512-cyP1at3l42kQHZtqDS3KfTeyMvxITGwXwH1qk9ktBYvqgMp5h4vHT+cOD74ld3RqJUOZY/+Zi9lb4Tbza3BtuA==",
       "dev": true,
       "requires": {
         "@oclif/linewrap": "^1.0.0",
         "chalk": "^2.4.2",
         "tslib": "^1.9.3"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          }
-        },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
       }
     },
     "@oclif/plugin-help": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/@oclif/plugin-help/-/plugin-help-2.2.0.tgz",
-      "integrity": "sha512-56iIgE7NQfwy/ZrWrvrEfJGb5rrMUt409yoQGw4feiU101UudA1btN1pbUbcKBr7vY9KFeqZZcftXEGxOp7zBg==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@oclif/plugin-help/-/plugin-help-2.2.1.tgz",
+      "integrity": "sha512-psEA3t41MSGBErLk6xCaAq2jKrRtx3Br+kHpd43vZeGEeZ7Gos4wgK0JAaHBbvhvUQskCHg8dzoqv4XEeTWeVQ==",
       "dev": true,
       "requires": {
         "@oclif/command": "^1.5.13",
@@ -338,32 +231,6 @@
           "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          }
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
         "string-width": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
@@ -384,15 +251,6 @@
             "ansi-regex": "^4.1.0"
           }
         },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        },
         "wrap-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-4.0.0.tgz",
@@ -434,9 +292,9 @@
       }
     },
     "@openzeppelin/gsn-helpers": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-helpers/-/gsn-helpers-0.1.5.tgz",
-      "integrity": "sha512-KxrTHB36KRPPZs6DiVy4RxbZ39BfEFm+8ZicC51o1rJRHCV5kyjZ8uPa32oXsHt2Bl2Ve7iw1I26xwn/QClEzQ==",
+      "version": "0.1.9",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-helpers/-/gsn-helpers-0.1.9.tgz",
+      "integrity": "sha512-PX9Z1oQUC09HL0nPH2z6VUDT7sAH6pH4pW/YtMRSc8fNGwSy8Ww0XeCkbJfEWIYJAVa7prQymkFpAk3R48yPBw==",
       "dev": true,
       "requires": {
         "axios": "^0.19.0",
@@ -450,16 +308,40 @@
         "web3": "^1.2.1"
       },
       "dependencies": {
-        "@types/node": {
-          "version": "10.14.15",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.15.tgz",
-          "integrity": "sha512-CBR5avlLcu0YCILJiDIXeU2pTw7UK/NIxfC63m7d7CVamho1qDEzXKkOtEauQRPMy6MI8mLozth+JJkas7HY6g==",
-          "dev": true
-        },
-        "commander": {
-          "version": "2.20.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+        "tmp": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.1.0.tgz",
+          "integrity": "sha512-J7Z2K08jbGcdA1kkQpJSqLF6T0tdQqpR2pnSUXsIchbPdTI9v3e85cLW0d6WDhwuAleOV71j2xWs8qMPfK7nKw==",
+          "dev": true,
+          "requires": {
+            "rimraf": "^2.6.3"
+          }
+        }
+      }
+    },
+    "@openzeppelin/gsn-provider": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-provider/-/gsn-provider-0.1.8.tgz",
+      "integrity": "sha512-/XRvCMs2MufOKORPeFRaYnp4a1l3szAJ39v5v0NiBHvLIdS8WotcYG9izVaUQllQFQrGCcVkCM+nptutWCr+gg==",
+      "dev": true,
+      "requires": {
+        "abi-decoder": "^2.1.0",
+        "axios": "^0.19.0",
+        "bignumber.js": "^9.0.0",
+        "eth-crypto": "^1.3.4",
+        "eth-sig-util": "^2.3.0",
+        "ethereumjs-tx": "^1.3.7",
+        "ethereumjs-util": "^6.1.0",
+        "ethereumjs-wallet": "^0.6.3",
+        "web3": "^1.2.1",
+        "web3-eth-abi": "^1.2.1",
+        "web3-utils": "^1.2.1"
+      },
+      "dependencies": {
+        "bignumber.js": {
+          "version": "9.0.0",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
+          "integrity": "sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==",
           "dev": true
         },
         "eth-lib": {
@@ -473,403 +355,6 @@
             "xhr-request-promise": "^0.1.2"
           }
         },
-        "ethers": {
-          "version": "4.0.0-beta.3",
-          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.0-beta.3.tgz",
-          "integrity": "sha512-YYPogooSknTwvHg3+Mv71gM/3Wcrx+ZpCzarBj3mqs9njjRkrOo2/eufzhHloOCo3JSoNI4TQJJ6yU5ABm3Uog==",
-          "dev": true,
-          "requires": {
-            "@types/node": "^10.3.2",
-            "aes-js": "3.0.0",
-            "bn.js": "^4.4.0",
-            "elliptic": "6.3.3",
-            "hash.js": "1.1.3",
-            "js-sha3": "0.5.7",
-            "scrypt-js": "2.0.3",
-            "setimmediate": "1.0.4",
-            "uuid": "2.0.1",
-            "xmlhttprequest": "1.8.0"
-          },
-          "dependencies": {
-            "elliptic": {
-              "version": "6.3.3",
-              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.3.tgz",
-              "integrity": "sha1-VILZZG1UvLif19mU/J4ulWiHbj8=",
-              "dev": true,
-              "requires": {
-                "bn.js": "^4.4.0",
-                "brorand": "^1.0.1",
-                "hash.js": "^1.0.0",
-                "inherits": "^2.0.1"
-              }
-            }
-          }
-        },
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
-        "glob": {
-          "version": "7.1.4",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
-          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
-          "dev": true,
-          "requires": {
-            "fs.realpath": "^1.0.0",
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.4",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
-          }
-        },
-        "graceful-fs": {
-          "version": "4.2.1",
-          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.1.tgz",
-          "integrity": "sha512-b9usnbDGnD928gJB3LrCmxoibr3VE4U2SMo5PBuBnokWyDADTqDPXg4YpwKF1trpH+UbGp7QLicO3+aWEy0+mw==",
-          "dev": true
-        },
-        "js-sha3": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
-          "dev": true
-        },
-        "jsonfile": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
-          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.6"
-          }
-        },
-        "lodash": {
-          "version": "4.17.15",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-          "dev": true
-        },
-        "nan": {
-          "version": "2.14.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-          "dev": true
-        },
-        "rimraf": {
-          "version": "2.6.3",
-          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
-          "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
-          "dev": true,
-          "requires": {
-            "glob": "^7.1.3"
-          }
-        },
-        "scrypt-js": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
-          "integrity": "sha1-uwBAvgMEPamgEqLOqfyfhSz8h9Q=",
-          "dev": true
-        },
-        "scryptsy": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-2.1.0.tgz",
-          "integrity": "sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==",
-          "dev": true
-        },
-        "semver": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-6.2.0.tgz",
-          "integrity": "sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==",
-          "dev": true
-        },
-        "tmp": {
-          "version": "0.1.0",
-          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.1.0.tgz",
-          "integrity": "sha512-J7Z2K08jbGcdA1kkQpJSqLF6T0tdQqpR2pnSUXsIchbPdTI9v3e85cLW0d6WDhwuAleOV71j2xWs8qMPfK7nKw==",
-          "dev": true,
-          "requires": {
-            "rimraf": "^2.6.3"
-          }
-        },
-        "uuid": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
-          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=",
-          "dev": true
-        },
-        "web3": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.1.tgz",
-          "integrity": "sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==",
-          "dev": true,
-          "requires": {
-            "web3-bzz": "1.2.1",
-            "web3-core": "1.2.1",
-            "web3-eth": "1.2.1",
-            "web3-eth-personal": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-shh": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-bzz": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-bzz/-/web3-bzz-1.2.1.tgz",
-          "integrity": "sha512-LdOO44TuYbGIPfL4ilkuS89GQovxUpmLz6C1UC7VYVVRILeZS740FVB3j9V4P4FHUk1RenaDfKhcntqgVCHtjw==",
-          "dev": true,
-          "requires": {
-            "got": "9.6.0",
-            "swarm-js": "0.1.39",
-            "underscore": "1.9.1"
-          }
-        },
-        "web3-core": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.2.1.tgz",
-          "integrity": "sha512-5ODwIqgl8oIg/0+Ai4jsLxkKFWJYE0uLuE1yUKHNVCL4zL6n3rFjRMpKPokd6id6nJCNgeA64KdWQ4XfpnjdMg==",
-          "dev": true,
-          "requires": {
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-requestmanager": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-helpers": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz",
-          "integrity": "sha512-Gx3sTEajD5r96bJgfuW377PZVFmXIH4TdqDhgGwd2lZQCcMi+DA4TgxJNJGxn0R3aUVzyyE76j4LBrh412mXrw==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-eth-iban": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-method": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.2.1.tgz",
-          "integrity": "sha512-Ghg2WS23qi6Xj8Od3VCzaImLHseEA7/usvnOItluiIc5cKs00WYWsNy2YRStzU9a2+z8lwQywPYp0nTzR/QXdQ==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-promievent": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz",
-          "integrity": "sha512-IVUqgpIKoeOYblwpex4Hye6npM0aMR+kU49VP06secPeN0rHMyhGF0ZGveWBrGvf8WDPI7jhqPBFIC6Jf3Q3zw==",
-          "dev": true,
-          "requires": {
-            "any-promise": "1.3.0",
-            "eventemitter3": "3.1.2"
-          }
-        },
-        "web3-core-requestmanager": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz",
-          "integrity": "sha512-xfknTC69RfYmLKC+83Jz73IC3/sS2ZLhGtX33D4Q5nQ8yc39ElyAolxr9sJQS8kihOcM6u4J+8gyGMqsLcpIBg==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-providers-http": "1.2.1",
-            "web3-providers-ipc": "1.2.1",
-            "web3-providers-ws": "1.2.1"
-          }
-        },
-        "web3-core-subscriptions": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz",
-          "integrity": "sha512-nmOwe3NsB8V8UFsY1r+sW6KjdOS68h8nuh7NzlWxBQT/19QSUGiERRTaZXWu5BYvo1EoZRMxCKyCQpSSXLc08g==",
-          "dev": true,
-          "requires": {
-            "eventemitter3": "3.1.2",
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1"
-          }
-        },
-        "web3-eth": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.2.1.tgz",
-          "integrity": "sha512-/2xly4Yry5FW1i+uygPjhfvgUP/MS/Dk+PDqmzp5M88tS86A+j8BzKc23GrlA8sgGs0645cpZK/999LpEF5UdA==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-eth-accounts": "1.2.1",
-            "web3-eth-contract": "1.2.1",
-            "web3-eth-ens": "1.2.1",
-            "web3-eth-iban": "1.2.1",
-            "web3-eth-personal": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-abi": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz",
-          "integrity": "sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==",
-          "dev": true,
-          "requires": {
-            "ethers": "4.0.0-beta.3",
-            "underscore": "1.9.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-accounts": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz",
-          "integrity": "sha512-26I4qq42STQ8IeKUyur3MdQ1NzrzCqPsmzqpux0j6X/XBD7EjZ+Cs0lhGNkSKH5dI3V8CJasnQ5T1mNKeWB7nQ==",
-          "dev": true,
-          "requires": {
-            "any-promise": "1.3.0",
-            "crypto-browserify": "3.12.0",
-            "eth-lib": "0.2.7",
-            "scryptsy": "2.1.0",
-            "semver": "6.2.0",
-            "underscore": "1.9.1",
-            "uuid": "3.3.2",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-utils": "1.2.1"
-          },
-          "dependencies": {
-            "uuid": {
-              "version": "3.3.2",
-              "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-              "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
-              "dev": true
-            }
-          }
-        },
-        "web3-eth-contract": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz",
-          "integrity": "sha512-kYFESbQ3boC9bl2rYVghj7O8UKMiuKaiMkxvRH5cEDHil8V7MGEGZNH0slSdoyeftZVlaWSMqkRP/chfnKND0g==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-ens": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz",
-          "integrity": "sha512-lhP1kFhqZr2nnbu3CGIFFrAnNxk2veXpOXBY48Tub37RtobDyHijHgrj+xTh+mFiPokyrapVjpFsbGa+Xzye4Q==",
-          "dev": true,
-          "requires": {
-            "eth-ens-namehash": "2.0.8",
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-eth-contract": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-iban": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz",
-          "integrity": "sha512-9gkr4QPl1jCU+wkgmZ8EwODVO3ovVj6d6JKMos52ggdT2YCmlfvFVF6wlGLwi0VvNa/p+0BjJzaqxnnG/JewjQ==",
-          "dev": true,
-          "requires": {
-            "bn.js": "4.11.8",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-personal": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz",
-          "integrity": "sha512-RNDVSiaSoY4aIp8+Hc7z+X72H7lMb3fmAChuSBADoEc7DsJrY/d0R5qQDK9g9t2BO8oxgLrLNyBP/9ub2Hc6Bg==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-net": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.2.1.tgz",
-          "integrity": "sha512-Yt1Bs7WgnLESPe0rri/ZoPWzSy55ovioaP35w1KZydrNtQ5Yq4WcrAdhBzcOW7vAkIwrsLQsvA+hrOCy7mNauw==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-providers-http": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
-          "integrity": "sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==",
-          "dev": true,
-          "requires": {
-            "web3-core-helpers": "1.2.1",
-            "xhr2-cookies": "1.1.0"
-          }
-        },
-        "web3-providers-ipc": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz",
-          "integrity": "sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==",
-          "dev": true,
-          "requires": {
-            "oboe": "2.1.4",
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1"
-          }
-        },
-        "web3-providers-ws": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz",
-          "integrity": "sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "websocket": "github:web3-js/WebSocket-Node#polyfill/globalThis"
-          }
-        },
-        "web3-shh": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.1.tgz",
-          "integrity": "sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-net": "1.2.1"
-          }
-        },
         "web3-utils": {
           "version": "1.2.1",
           "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
@@ -884,171 +369,6 @@
             "underscore": "1.9.1",
             "utf8": "3.0.0"
           }
-        },
-        "websocket": {
-          "version": "github:web3-js/WebSocket-Node#b134a75541b5db59668df81c03e926cd5f325077",
-          "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
-          "dev": true,
-          "requires": {
-            "debug": "^2.2.0",
-            "es5-ext": "^0.10.50",
-            "gulp": "^4.0.2",
-            "nan": "^2.14.0",
-            "typedarray-to-buffer": "^3.1.5",
-            "yaeti": "^0.0.6"
-          }
-        }
-      }
-    },
-    "@openzeppelin/gsn-provider": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/gsn-provider/-/gsn-provider-0.1.4.tgz",
-      "integrity": "sha512-AdXiEhD4epIWfyAOscML0CiEeRADmYjQzrjsRV2MlMCJ+dI7ZYwCvpCWwGVBAs9ULWevaVkwN8X4+7I32fHGOQ==",
-      "dev": true,
-      "requires": {
-        "abi-decoder": "^2.0.1",
-        "axios": "^0.19.0",
-        "bignumber.js": "^9.0.0",
-        "eth-crypto": "^1.3.4",
-        "eth-sig-util": "^2.3.0",
-        "ethereumjs-tx": "^1.3.7",
-        "ethereumjs-util": "^6.1.0",
-        "ethereumjs-wallet": "^0.6.3",
-        "web3": "^1.2.0",
-        "web3-eth-abi": "^1.2.1",
-        "web3-utils": "^1.2.0"
-      },
-      "dependencies": {
-        "@types/node": {
-          "version": "10.14.15",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.15.tgz",
-          "integrity": "sha512-CBR5avlLcu0YCILJiDIXeU2pTw7UK/NIxfC63m7d7CVamho1qDEzXKkOtEauQRPMy6MI8mLozth+JJkas7HY6g==",
-          "dev": true
-        },
-        "bignumber.js": {
-          "version": "9.0.0",
-          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
-          "integrity": "sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==",
-          "dev": true
-        },
-        "elliptic": {
-          "version": "6.3.3",
-          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.3.tgz",
-          "integrity": "sha1-VILZZG1UvLif19mU/J4ulWiHbj8=",
-          "dev": true,
-          "requires": {
-            "bn.js": "^4.4.0",
-            "brorand": "^1.0.1",
-            "hash.js": "^1.0.0",
-            "inherits": "^2.0.1"
-          }
-        },
-        "eth-lib": {
-          "version": "0.2.7",
-          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
-          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
-          "dev": true,
-          "requires": {
-            "bn.js": "^4.11.6",
-            "elliptic": "^6.4.0",
-            "xhr-request-promise": "^0.1.2"
-          },
-          "dependencies": {
-            "elliptic": {
-              "version": "6.5.0",
-              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
-              "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
-              "dev": true,
-              "requires": {
-                "bn.js": "^4.4.0",
-                "brorand": "^1.0.1",
-                "hash.js": "^1.0.0",
-                "hmac-drbg": "^1.0.0",
-                "inherits": "^2.0.1",
-                "minimalistic-assert": "^1.0.0",
-                "minimalistic-crypto-utils": "^1.0.0"
-              }
-            }
-          }
-        },
-        "ethereumjs-util": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-          "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
-          "dev": true,
-          "requires": {
-            "bn.js": "^4.11.0",
-            "create-hash": "^1.1.2",
-            "ethjs-util": "0.1.6",
-            "keccak": "^1.0.2",
-            "rlp": "^2.0.0",
-            "safe-buffer": "^5.1.1",
-            "secp256k1": "^3.0.1"
-          }
-        },
-        "ethers": {
-          "version": "4.0.0-beta.3",
-          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.0-beta.3.tgz",
-          "integrity": "sha512-YYPogooSknTwvHg3+Mv71gM/3Wcrx+ZpCzarBj3mqs9njjRkrOo2/eufzhHloOCo3JSoNI4TQJJ6yU5ABm3Uog==",
-          "dev": true,
-          "requires": {
-            "@types/node": "^10.3.2",
-            "aes-js": "3.0.0",
-            "bn.js": "^4.4.0",
-            "elliptic": "6.3.3",
-            "hash.js": "1.1.3",
-            "js-sha3": "0.5.7",
-            "scrypt-js": "2.0.3",
-            "setimmediate": "1.0.4",
-            "uuid": "2.0.1",
-            "xmlhttprequest": "1.8.0"
-          }
-        },
-        "js-sha3": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
-          "dev": true
-        },
-        "scrypt-js": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
-          "integrity": "sha1-uwBAvgMEPamgEqLOqfyfhSz8h9Q=",
-          "dev": true
-        },
-        "uuid": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
-          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=",
-          "dev": true
-        },
-        "web3-eth-abi": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz",
-          "integrity": "sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==",
-          "dev": true,
-          "requires": {
-            "ethers": "4.0.0-beta.3",
-            "underscore": "1.9.1",
-            "web3-utils": "1.2.1"
-          },
-          "dependencies": {
-            "web3-utils": {
-              "version": "1.2.1",
-              "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
-              "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
-              "dev": true,
-              "requires": {
-                "bn.js": "4.11.8",
-                "eth-lib": "0.2.7",
-                "ethjs-unit": "0.1.6",
-                "number-to-bn": "1.7.0",
-                "randomhex": "0.1.5",
-                "underscore": "1.9.1",
-                "utf8": "3.0.0"
-              }
-            }
-          }
         }
       }
     },
@@ -1067,6 +387,75 @@
         "defer-to-connect": "^1.0.1"
       }
     },
+    "@truffle/contract-schema": {
+      "version": "3.0.16",
+      "resolved": "https://registry.npmjs.org/@truffle/contract-schema/-/contract-schema-3.0.16.tgz",
+      "integrity": "sha512-E88YTZNVvnSprvKS8qMx7e5zm3VAgkCAciQrX1VC+h14EbCJxHyg/9iBVm26ySKgghRzV3Ia8Y6ZJQt6o2iSJw==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.10.0",
+        "crypto-js": "^3.1.9-1",
+        "debug": "^4.1.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.10.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
+          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^2.0.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          },
+          "dependencies": {
+            "uri-js": {
+              "version": "4.2.2",
+              "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+              "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+              "dev": true,
+              "requires": {
+                "punycode": "^2.1.0"
+              }
+            }
+          }
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+          "dev": true
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "dev": true
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+          "dev": true
+        }
+      }
+    },
     "@types/bn.js": {
       "version": "4.11.5",
       "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.5.tgz",
@@ -1100,32 +489,27 @@
       "dev": true
     },
     "@types/node": {
-      "version": "12.6.8",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.6.8.tgz",
-      "integrity": "sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==",
+      "version": "12.7.11",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.7.11.tgz",
+      "integrity": "sha512-Otxmr2rrZLKRYIybtdG/sgeO+tHY20GxeDjcGmUnmmlCWyEnv2a2x1ZXBo3BTec4OiTXMQCiazB8NMBf0iRlFw==",
       "dev": true
     },
     "abbrev": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
-      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
       "dev": true
     },
     "abi-decoder": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/abi-decoder/-/abi-decoder-2.1.0.tgz",
-      "integrity": "sha512-P1KzuV8NqnEOZBTOuj7LKI9iO7EdYcJOAlsSDr078jJILThBCCSNmPiaH2lz8Ya/Sofddkt55FeYZeBiCtSdag==",
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/abi-decoder/-/abi-decoder-2.2.2.tgz",
+      "integrity": "sha512-viRNIt7FzBC9/Y99AVKsAvEMJsIe9Yc/PMrqYT7edSlZ4EnbXlxAq7hS08XTeMzjMP6DpoVrYyCwhSCskCPQqA==",
       "dev": true,
       "requires": {
-        "web3": "^1.2.1"
+        "web3-eth-abi": "^1.2.1",
+        "web3-utils": "^1.2.1"
       },
       "dependencies": {
-        "@types/node": {
-          "version": "10.14.15",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.15.tgz",
-          "integrity": "sha512-CBR5avlLcu0YCILJiDIXeU2pTw7UK/NIxfC63m7d7CVamho1qDEzXKkOtEauQRPMy6MI8mLozth+JJkas7HY6g==",
-          "dev": true
-        },
         "eth-lib": {
           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
@@ -1137,339 +521,6 @@
             "xhr-request-promise": "^0.1.2"
           }
         },
-        "ethers": {
-          "version": "4.0.0-beta.3",
-          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.0-beta.3.tgz",
-          "integrity": "sha512-YYPogooSknTwvHg3+Mv71gM/3Wcrx+ZpCzarBj3mqs9njjRkrOo2/eufzhHloOCo3JSoNI4TQJJ6yU5ABm3Uog==",
-          "dev": true,
-          "requires": {
-            "@types/node": "^10.3.2",
-            "aes-js": "3.0.0",
-            "bn.js": "^4.4.0",
-            "elliptic": "6.3.3",
-            "hash.js": "1.1.3",
-            "js-sha3": "0.5.7",
-            "scrypt-js": "2.0.3",
-            "setimmediate": "1.0.4",
-            "uuid": "2.0.1",
-            "xmlhttprequest": "1.8.0"
-          },
-          "dependencies": {
-            "elliptic": {
-              "version": "6.3.3",
-              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.3.tgz",
-              "integrity": "sha1-VILZZG1UvLif19mU/J4ulWiHbj8=",
-              "dev": true,
-              "requires": {
-                "bn.js": "^4.4.0",
-                "brorand": "^1.0.1",
-                "hash.js": "^1.0.0",
-                "inherits": "^2.0.1"
-              }
-            }
-          }
-        },
-        "js-sha3": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
-          "dev": true
-        },
-        "nan": {
-          "version": "2.14.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-          "dev": true
-        },
-        "scrypt-js": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
-          "integrity": "sha1-uwBAvgMEPamgEqLOqfyfhSz8h9Q=",
-          "dev": true
-        },
-        "scryptsy": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-2.1.0.tgz",
-          "integrity": "sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==",
-          "dev": true
-        },
-        "semver": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-6.2.0.tgz",
-          "integrity": "sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==",
-          "dev": true
-        },
-        "uuid": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
-          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=",
-          "dev": true
-        },
-        "web3": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.1.tgz",
-          "integrity": "sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==",
-          "dev": true,
-          "requires": {
-            "web3-bzz": "1.2.1",
-            "web3-core": "1.2.1",
-            "web3-eth": "1.2.1",
-            "web3-eth-personal": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-shh": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-bzz": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-bzz/-/web3-bzz-1.2.1.tgz",
-          "integrity": "sha512-LdOO44TuYbGIPfL4ilkuS89GQovxUpmLz6C1UC7VYVVRILeZS740FVB3j9V4P4FHUk1RenaDfKhcntqgVCHtjw==",
-          "dev": true,
-          "requires": {
-            "got": "9.6.0",
-            "swarm-js": "0.1.39",
-            "underscore": "1.9.1"
-          }
-        },
-        "web3-core": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.2.1.tgz",
-          "integrity": "sha512-5ODwIqgl8oIg/0+Ai4jsLxkKFWJYE0uLuE1yUKHNVCL4zL6n3rFjRMpKPokd6id6nJCNgeA64KdWQ4XfpnjdMg==",
-          "dev": true,
-          "requires": {
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-requestmanager": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-helpers": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz",
-          "integrity": "sha512-Gx3sTEajD5r96bJgfuW377PZVFmXIH4TdqDhgGwd2lZQCcMi+DA4TgxJNJGxn0R3aUVzyyE76j4LBrh412mXrw==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-eth-iban": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-method": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.2.1.tgz",
-          "integrity": "sha512-Ghg2WS23qi6Xj8Od3VCzaImLHseEA7/usvnOItluiIc5cKs00WYWsNy2YRStzU9a2+z8lwQywPYp0nTzR/QXdQ==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-core-promievent": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz",
-          "integrity": "sha512-IVUqgpIKoeOYblwpex4Hye6npM0aMR+kU49VP06secPeN0rHMyhGF0ZGveWBrGvf8WDPI7jhqPBFIC6Jf3Q3zw==",
-          "dev": true,
-          "requires": {
-            "any-promise": "1.3.0",
-            "eventemitter3": "3.1.2"
-          }
-        },
-        "web3-core-requestmanager": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz",
-          "integrity": "sha512-xfknTC69RfYmLKC+83Jz73IC3/sS2ZLhGtX33D4Q5nQ8yc39ElyAolxr9sJQS8kihOcM6u4J+8gyGMqsLcpIBg==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-providers-http": "1.2.1",
-            "web3-providers-ipc": "1.2.1",
-            "web3-providers-ws": "1.2.1"
-          }
-        },
-        "web3-core-subscriptions": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz",
-          "integrity": "sha512-nmOwe3NsB8V8UFsY1r+sW6KjdOS68h8nuh7NzlWxBQT/19QSUGiERRTaZXWu5BYvo1EoZRMxCKyCQpSSXLc08g==",
-          "dev": true,
-          "requires": {
-            "eventemitter3": "3.1.2",
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1"
-          }
-        },
-        "web3-eth": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.2.1.tgz",
-          "integrity": "sha512-/2xly4Yry5FW1i+uygPjhfvgUP/MS/Dk+PDqmzp5M88tS86A+j8BzKc23GrlA8sgGs0645cpZK/999LpEF5UdA==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-eth-accounts": "1.2.1",
-            "web3-eth-contract": "1.2.1",
-            "web3-eth-ens": "1.2.1",
-            "web3-eth-iban": "1.2.1",
-            "web3-eth-personal": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-abi": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz",
-          "integrity": "sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==",
-          "dev": true,
-          "requires": {
-            "ethers": "4.0.0-beta.3",
-            "underscore": "1.9.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-accounts": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz",
-          "integrity": "sha512-26I4qq42STQ8IeKUyur3MdQ1NzrzCqPsmzqpux0j6X/XBD7EjZ+Cs0lhGNkSKH5dI3V8CJasnQ5T1mNKeWB7nQ==",
-          "dev": true,
-          "requires": {
-            "any-promise": "1.3.0",
-            "crypto-browserify": "3.12.0",
-            "eth-lib": "0.2.7",
-            "scryptsy": "2.1.0",
-            "semver": "6.2.0",
-            "underscore": "1.9.1",
-            "uuid": "3.3.2",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-utils": "1.2.1"
-          },
-          "dependencies": {
-            "uuid": {
-              "version": "3.3.2",
-              "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-              "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
-              "dev": true
-            }
-          }
-        },
-        "web3-eth-contract": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz",
-          "integrity": "sha512-kYFESbQ3boC9bl2rYVghj7O8UKMiuKaiMkxvRH5cEDHil8V7MGEGZNH0slSdoyeftZVlaWSMqkRP/chfnKND0g==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-ens": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz",
-          "integrity": "sha512-lhP1kFhqZr2nnbu3CGIFFrAnNxk2veXpOXBY48Tub37RtobDyHijHgrj+xTh+mFiPokyrapVjpFsbGa+Xzye4Q==",
-          "dev": true,
-          "requires": {
-            "eth-ens-namehash": "2.0.8",
-            "underscore": "1.9.1",
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-promievent": "1.2.1",
-            "web3-eth-abi": "1.2.1",
-            "web3-eth-contract": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-iban": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz",
-          "integrity": "sha512-9gkr4QPl1jCU+wkgmZ8EwODVO3ovVj6d6JKMos52ggdT2YCmlfvFVF6wlGLwi0VvNa/p+0BjJzaqxnnG/JewjQ==",
-          "dev": true,
-          "requires": {
-            "bn.js": "4.11.8",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-eth-personal": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz",
-          "integrity": "sha512-RNDVSiaSoY4aIp8+Hc7z+X72H7lMb3fmAChuSBADoEc7DsJrY/d0R5qQDK9g9t2BO8oxgLrLNyBP/9ub2Hc6Bg==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-helpers": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-net": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-net": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.2.1.tgz",
-          "integrity": "sha512-Yt1Bs7WgnLESPe0rri/ZoPWzSy55ovioaP35w1KZydrNtQ5Yq4WcrAdhBzcOW7vAkIwrsLQsvA+hrOCy7mNauw==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-utils": "1.2.1"
-          }
-        },
-        "web3-providers-http": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
-          "integrity": "sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==",
-          "dev": true,
-          "requires": {
-            "web3-core-helpers": "1.2.1",
-            "xhr2-cookies": "1.1.0"
-          }
-        },
-        "web3-providers-ipc": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz",
-          "integrity": "sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==",
-          "dev": true,
-          "requires": {
-            "oboe": "2.1.4",
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1"
-          }
-        },
-        "web3-providers-ws": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz",
-          "integrity": "sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==",
-          "dev": true,
-          "requires": {
-            "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "websocket": "github:web3-js/WebSocket-Node#polyfill/globalThis"
-          }
-        },
-        "web3-shh": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.1.tgz",
-          "integrity": "sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==",
-          "dev": true,
-          "requires": {
-            "web3-core": "1.2.1",
-            "web3-core-method": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-net": "1.2.1"
-          }
-        },
         "web3-utils": {
           "version": "1.2.1",
           "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
@@ -1484,19 +535,6 @@
             "underscore": "1.9.1",
             "utf8": "3.0.0"
           }
-        },
-        "websocket": {
-          "version": "github:web3-js/WebSocket-Node#b134a75541b5db59668df81c03e926cd5f325077",
-          "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
-          "dev": true,
-          "requires": {
-            "debug": "^2.2.0",
-            "es5-ext": "^0.10.50",
-            "gulp": "^4.0.2",
-            "nan": "^2.14.0",
-            "typedarray-to-buffer": "^3.1.5",
-            "yaeti": "^0.0.6"
-          }
         }
       }
     },
@@ -1528,9 +566,9 @@
       }
     },
     "acorn": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
       "dev": true
     },
     "acorn-jsx": {
@@ -1588,39 +626,6 @@
       "dev": true,
       "requires": {
         "string-width": "^2.0.0"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        }
       }
     },
     "ansi-colors": {
@@ -1630,20 +635,11 @@
       "dev": true
     },
     "ansi-escapes": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.0.0.tgz",
-      "integrity": "sha512-O/klc27mWNUigtv0F8NJWbLF00OcegQalkqKURWdosW08YZKi4m6CnSUSvIZG1otNJbTWhN01Hhz389DW7mvDQ==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
+      "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==",
       "dev": true
     },
-    "ansi-gray": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
-      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -1651,16 +647,13 @@
       "dev": true
     },
     "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
-    },
-    "ansi-wrap": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
-      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
-      "dev": true
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
     },
     "antlr4": {
       "version": "4.7.1",
@@ -1804,21 +797,6 @@
       "integrity": "sha1-ZBqlXft9am8KgUHEucCqULbCTdU=",
       "dev": true
     },
-    "append-buffer": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/append-buffer/-/append-buffer-1.0.2.tgz",
-      "integrity": "sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=",
-      "dev": true,
-      "requires": {
-        "buffer-equal": "^1.0.0"
-      }
-    },
-    "archy": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
-      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
-      "dev": true
-    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -1834,121 +812,38 @@
       "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
       "dev": true
     },
-    "arr-filter": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz",
-      "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=",
-      "dev": true,
-      "requires": {
-        "make-iterator": "^1.0.0"
-      }
-    },
     "arr-flatten": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
       "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
       "dev": true
     },
-    "arr-map": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/arr-map/-/arr-map-2.0.2.tgz",
-      "integrity": "sha1-Onc0X/wc814qkYJWAfnljy4kysQ=",
-      "dev": true,
-      "requires": {
-        "make-iterator": "^1.0.0"
-      }
-    },
     "arr-union": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
       "dev": true
     },
-    "array-each": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
-      "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
-      "dev": true
-    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
       "dev": true
     },
-    "array-initial": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/array-initial/-/array-initial-1.1.0.tgz",
-      "integrity": "sha1-L6dLJnOTccOUe9enrcc74zSz15U=",
+    "array-includes": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
+      "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
       "dev": true,
       "requires": {
-        "array-slice": "^1.0.0",
-        "is-number": "^4.0.0"
-      },
-      "dependencies": {
-        "is-number": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
-          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
-          "dev": true
-        }
-      }
-    },
-    "array-last": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/array-last/-/array-last-1.3.0.tgz",
-      "integrity": "sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==",
-      "dev": true,
-      "requires": {
-        "is-number": "^4.0.0"
-      },
-      "dependencies": {
-        "is-number": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
-          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
-          "dev": true
-        }
-      }
-    },
-    "array-slice": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-1.1.0.tgz",
-      "integrity": "sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==",
-      "dev": true
-    },
-    "array-sort": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/array-sort/-/array-sort-1.0.0.tgz",
-      "integrity": "sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==",
-      "dev": true,
-      "requires": {
-        "default-compare": "^1.0.0",
-        "get-value": "^2.0.6",
-        "kind-of": "^5.0.2"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
-          "dev": true
-        }
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
       }
     },
     "array-union": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
-      "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-      "dev": true,
-      "requires": {
-        "array-uniq": "^1.0.1"
-      }
-    },
-    "array-uniq": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
-      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
+      "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
       "dev": true
     },
     "array-unique": {
@@ -1957,12 +852,6 @@
       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
       "dev": true
     },
-    "arrify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
-      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
-      "dev": true
-    },
     "asn1": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
@@ -2010,26 +899,6 @@
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
-    "async-done": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
-      "integrity": "sha512-uYkTP8dw2og1tu1nmza1n1CMW0qb8gWWlwqMmLb7MhBVs4BXrFziT6HXUd+/RlRA/i4H9AkofYloUbs1fwMqlw==",
-      "dev": true,
-      "requires": {
-        "end-of-stream": "^1.1.0",
-        "once": "^1.3.2",
-        "process-nextick-args": "^2.0.0",
-        "stream-exhaust": "^1.0.1"
-      },
-      "dependencies": {
-        "process-nextick-args": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-          "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
-          "dev": true
-        }
-      }
-    },
     "async-each": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.3.tgz",
@@ -2042,15 +911,6 @@
       "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==",
       "dev": true
     },
-    "async-settle": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-settle/-/async-settle-1.0.0.tgz",
-      "integrity": "sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=",
-      "dev": true,
-      "requires": {
-        "async-done": "^1.2.2"
-      }
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -2112,14 +972,41 @@
       }
     },
     "babel-code-frame": {
-      "version": "6.22.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
-      "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
+      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
-        "chalk": "^1.1.0",
+        "chalk": "^1.1.3",
         "esutils": "^2.0.2",
-        "js-tokens": "^3.0.0"
+        "js-tokens": "^3.0.2"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+          "dev": true
+        },
+        "chalk": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^2.2.1",
+            "escape-string-regexp": "^1.0.2",
+            "has-ansi": "^2.0.0",
+            "strip-ansi": "^3.0.0",
+            "supports-color": "^2.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
+          "dev": true
+        }
       }
     },
     "babel-runtime": {
@@ -2132,23 +1019,6 @@
         "regenerator-runtime": "^0.11.0"
       }
     },
-    "bach": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/bach/-/bach-1.2.0.tgz",
-      "integrity": "sha1-Szzpa/JxNPeaG0FKUcFONMO9mIA=",
-      "dev": true,
-      "requires": {
-        "arr-filter": "^1.1.1",
-        "arr-flatten": "^1.0.1",
-        "arr-map": "^2.0.0",
-        "array-each": "^1.0.0",
-        "array-initial": "^1.0.0",
-        "array-last": "^1.1.1",
-        "async-done": "^1.2.2",
-        "async-settle": "^1.0.0",
-        "now-and-later": "^2.0.0"
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -2211,9 +1081,9 @@
       }
     },
     "base-x": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.6.tgz",
-      "integrity": "sha512-4PaF8u2+AlViJxRVjurkLTxpp7CaFRD/jo5rPT9ONnKxyhQ8f59yzamEvq7EkriG56yn5On4ONyaG75HLqr46w==",
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.7.tgz",
+      "integrity": "sha512-zAKJGuQPihXW22fkrfOclUUZXM2g92z5GzlSMHxhO6r6Qj+Nm0ccaGNBzDZojzwOMkpjAv4J0fOv1U4go+a4iw==",
       "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
@@ -2248,10 +1118,13 @@
       "dev": true
     },
     "bindings": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.3.1.tgz",
-      "integrity": "sha512-i47mqjF9UbjxJhxGf+pZ6kSxrnI3wBLlnGI2ArWJ4r0VrvDS7ZYXkprq/pLaBWYq4GM0r4zdHY+NNRqEMU7uew==",
-      "dev": true
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
     },
     "bip66": {
       "version": "1.1.5",
@@ -2366,12 +1239,6 @@
         "widest-line": "^2.0.0"
       },
       "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
         "ansi-styles": {
           "version": "3.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
@@ -2381,6 +1248,12 @@
             "color-convert": "^1.9.0"
           }
         },
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
         "chalk": {
           "version": "2.4.2",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -2392,31 +1265,6 @@
             "supports-color": "^5.3.0"
           }
         },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -2599,12 +1447,6 @@
       "integrity": "sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=",
       "dev": true
     },
-    "buffer-equal": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-1.0.0.tgz",
-      "integrity": "sha1-WWFrSYME1Var1GaWayLu2j7KX74=",
-      "dev": true
-    },
     "buffer-fill": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
@@ -2629,12 +1471,6 @@
       "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
       "dev": true
     },
-    "builtin-modules": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
-      "dev": true
-    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -2690,12 +1526,6 @@
         }
       }
     },
-    "call-me-maybe": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/call-me-maybe/-/call-me-maybe-1.0.1.tgz",
-      "integrity": "sha1-JtII6onje1y95gJQoV8DHBak1ms=",
-      "dev": true
-    },
     "caller-callsite": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
@@ -2729,9 +1559,9 @@
       "dev": true
     },
     "camelcase": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-      "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
       "dev": true
     },
     "capture-stack-trace": {
@@ -2760,23 +1590,15 @@
         "type-detect": "^4.0.5"
       }
     },
-    "chai-bn": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/chai-bn/-/chai-bn-0.1.1.tgz",
-      "integrity": "sha512-e1npVXt3cQfZ6oQET9oP38vNj/4HeJ4ojeUpuC8YzhVbTJpIDqANVt7TKi7Dq9yKlHySk2FqbmiMih35iT4DYg==",
-      "dev": true
-    },
     "chalk": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
       "dev": true,
       "requires": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
       }
     },
     "chardet": {
@@ -2792,9 +1614,9 @@
       "dev": true
     },
     "chokidar": {
-      "version": "2.1.6",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.6.tgz",
-      "integrity": "sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==",
+      "version": "2.1.8",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
+      "integrity": "sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==",
       "dev": true,
       "requires": {
         "anymatch": "^2.0.0",
@@ -2975,22 +1797,6 @@
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -3002,18 +1808,6 @@
         }
       }
     },
-    "clone": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
-      "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=",
-      "dev": true
-    },
-    "clone-buffer": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/clone-buffer/-/clone-buffer-1.0.0.tgz",
-      "integrity": "sha1-4+JbIHrE5wGvch4staFnksrD3Fg=",
-      "dev": true
-    },
     "clone-regexp": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clone-regexp/-/clone-regexp-2.2.0.tgz",
@@ -3032,55 +1826,6 @@
         "mimic-response": "^1.0.0"
       }
     },
-    "clone-stats": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/clone-stats/-/clone-stats-1.0.0.tgz",
-      "integrity": "sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=",
-      "dev": true
-    },
-    "cloneable-readable": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/cloneable-readable/-/cloneable-readable-1.1.3.tgz",
-      "integrity": "sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==",
-      "dev": true,
-      "requires": {
-        "inherits": "^2.0.1",
-        "process-nextick-args": "^2.0.0",
-        "readable-stream": "^2.3.5"
-      },
-      "dependencies": {
-        "process-nextick-args": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-          "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        }
-      }
-    },
     "co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
@@ -3111,17 +1856,6 @@
         }
       }
     },
-    "collection-map": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/collection-map/-/collection-map-1.0.0.tgz",
-      "integrity": "sha1-rqDwb40mx4DCt1SUOFVEsiVa8Yw=",
-      "dev": true,
-      "requires": {
-        "arr-map": "^2.0.2",
-        "for-own": "^1.0.0",
-        "make-iterator": "^1.0.0"
-      }
-    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -3147,12 +1881,6 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
-    "color-support": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
-      "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
-      "dev": true
-    },
     "colors": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
@@ -3175,9 +1903,9 @@
       "dev": true
     },
     "commander": {
-      "version": "2.11.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
-      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "version": "2.20.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.1.tgz",
+      "integrity": "sha512-cCuLsMhJeWQ/ZpsFTbE765kvVfoeSddc4nU3up4fV+fDBcfUXnbITJ+JzhkdjzOqhURjZgujxaioam4RM9yGUg==",
       "dev": true
     },
     "component-emitter": {
@@ -3205,240 +1933,28 @@
       }
     },
     "concurrently": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-4.1.0.tgz",
-      "integrity": "sha512-pwzXCE7qtOB346LyO9eFWpkFJVO3JQZ/qU/feGeaAHiX1M3Rw3zgXKc5cZ8vSH5DGygkjzLFDzA/pwoQDkRNGg==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-4.1.2.tgz",
+      "integrity": "sha512-Kim9SFrNr2jd8/0yNYqDTFALzUX1tvimmwFWxmp/D4mRI+kbqIIwE2RkBDrxS2ic25O1UgQMI5AtBqdtX3ynYg==",
       "dev": true,
       "requires": {
-        "chalk": "^2.4.1",
-        "date-fns": "^1.23.0",
-        "lodash": "^4.17.10",
+        "chalk": "^2.4.2",
+        "date-fns": "^1.30.1",
+        "lodash": "^4.17.15",
         "read-pkg": "^4.0.1",
-        "rxjs": "^6.3.3",
+        "rxjs": "^6.5.2",
         "spawn-command": "^0.0.2-1",
         "supports-color": "^4.5.0",
-        "tree-kill": "^1.1.0",
-        "yargs": "^12.0.1"
+        "tree-kill": "^1.2.1",
+        "yargs": "^12.0.5"
       },
       "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "camelcase": {
-          "version": "5.3.1",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
-          "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
-          "dev": true
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          },
-          "dependencies": {
-            "supports-color": {
-              "version": "5.5.0",
-              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-              "dev": true,
-              "requires": {
-                "has-flag": "^3.0.0"
-              }
-            }
-          }
-        },
-        "cross-spawn": {
-          "version": "6.0.5",
-          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-          "dev": true,
-          "requires": {
-            "nice-try": "^1.0.4",
-            "path-key": "^2.0.1",
-            "semver": "^5.5.0",
-            "shebang-command": "^1.2.0",
-            "which": "^1.2.9"
-          }
-        },
-        "execa": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^6.0.0",
-            "get-stream": "^4.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.0",
-            "strip-eof": "^1.0.0"
-          }
-        },
-        "find-up": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
-          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
-          "dev": true,
-          "requires": {
-            "locate-path": "^3.0.0"
-          }
-        },
-        "get-stream": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-          "dev": true,
-          "requires": {
-            "pump": "^3.0.0"
-          }
-        },
-        "invert-kv": {
+        "has-flag": {
           "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
-          "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
           "dev": true
         },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "lcid": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
-          "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
-          "dev": true,
-          "requires": {
-            "invert-kv": "^2.0.0"
-          }
-        },
-        "locate-path": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
-          "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
-          "dev": true,
-          "requires": {
-            "p-locate": "^3.0.0",
-            "path-exists": "^3.0.0"
-          }
-        },
-        "mem": {
-          "version": "4.3.0",
-          "resolved": "https://registry.npmjs.org/mem/-/mem-4.3.0.tgz",
-          "integrity": "sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==",
-          "dev": true,
-          "requires": {
-            "map-age-cleaner": "^0.1.1",
-            "mimic-fn": "^2.0.0",
-            "p-is-promise": "^2.0.0"
-          }
-        },
-        "mimic-fn": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
-          "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
-          "dev": true
-        },
-        "os-locale": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
-          "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
-          "dev": true,
-          "requires": {
-            "execa": "^1.0.0",
-            "lcid": "^2.0.0",
-            "mem": "^4.0.0"
-          }
-        },
-        "p-limit": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.0.tgz",
-          "integrity": "sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==",
-          "dev": true,
-          "requires": {
-            "p-try": "^2.0.0"
-          }
-        },
-        "p-locate": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
-          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
-          "dev": true,
-          "requires": {
-            "p-limit": "^2.0.0"
-          }
-        },
-        "parse-json": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
-          "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
-          "dev": true,
-          "requires": {
-            "error-ex": "^1.3.1",
-            "json-parse-better-errors": "^1.0.1"
-          }
-        },
-        "path-exists": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
-          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
-          "dev": true
-        },
-        "read-pkg": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-4.0.1.tgz",
-          "integrity": "sha1-ljYlN48+HE1IyFhytabsfV0JMjc=",
-          "dev": true,
-          "requires": {
-            "normalize-package-data": "^2.3.2",
-            "parse-json": "^4.0.0",
-            "pify": "^3.0.0"
-          }
-        },
-        "semver": {
-          "version": "5.7.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        },
         "supports-color": {
           "version": "4.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
@@ -3446,44 +1962,6 @@
           "dev": true,
           "requires": {
             "has-flag": "^2.0.0"
-          },
-          "dependencies": {
-            "has-flag": {
-              "version": "2.0.0",
-              "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-              "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
-              "dev": true
-            }
-          }
-        },
-        "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-          "dev": true,
-          "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
-            "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
-          }
-        },
-        "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
           }
         }
       }
@@ -3531,15 +2009,6 @@
       "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
       "dev": true
     },
-    "convert-source-map": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
-      "integrity": "sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.1"
-      }
-    },
     "cookie": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
@@ -3564,16 +2033,6 @@
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
       "dev": true
     },
-    "copy-props": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/copy-props/-/copy-props-2.0.4.tgz",
-      "integrity": "sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==",
-      "dev": true,
-      "requires": {
-        "each-props": "^1.3.0",
-        "is-plain-object": "^2.0.1"
-      }
-    },
     "core-js": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
@@ -3612,18 +2071,6 @@
         "is-directory": "^0.3.1",
         "js-yaml": "^3.13.1",
         "parse-json": "^4.0.0"
-      },
-      "dependencies": {
-        "parse-json": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
-          "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
-          "dev": true,
-          "requires": {
-            "error-ex": "^1.3.1",
-            "json-parse-better-errors": "^1.0.1"
-          }
-        }
       }
     },
     "create-ecdh": {
@@ -3918,29 +2365,6 @@
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
       "dev": true
     },
-    "default-compare": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/default-compare/-/default-compare-1.0.0.tgz",
-      "integrity": "sha512-QWfXlM0EkAbqOCbD/6HjdwT19j7WCkMyiRhWilc4H9/5h/RzTF9gv5LYh1+CmDV5d1rki6KAWLtQale0xt20eQ==",
-      "dev": true,
-      "requires": {
-        "kind-of": "^5.0.2"
-      },
-      "dependencies": {
-        "kind-of": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
-          "dev": true
-        }
-      }
-    },
-    "default-resolution": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/default-resolution/-/default-resolution-2.0.0.tgz",
-      "integrity": "sha1-vLgrqnKtebQmp2cy8aga1t8m1oQ=",
-      "dev": true
-    },
     "defer-to-connect": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.0.2.tgz",
@@ -3997,29 +2421,6 @@
         }
       }
     },
-    "del": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/del/-/del-2.2.2.tgz",
-      "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
-      "dev": true,
-      "requires": {
-        "globby": "^5.0.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0",
-        "rimraf": "^2.2.8"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-          "dev": true
-        }
-      }
-    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -4048,12 +2449,6 @@
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
       "dev": true
     },
-    "detect-file": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
-      "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
-      "dev": true
-    },
     "diff": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
@@ -4072,22 +2467,19 @@
       }
     },
     "dir-glob": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-2.2.2.tgz",
-      "integrity": "sha512-f9LBi5QWzIW3I6e//uxZoLBlUt9kcp66qo0sSCxL6YZKc75R1c4MFCoe/LaZiBGmgujvQdxc5Bn3QhfyvK5Hsw==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
+      "integrity": "sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==",
       "dev": true,
       "requires": {
-        "path-type": "^3.0.0"
+        "path-type": "^4.0.0"
       },
       "dependencies": {
         "path-type": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
-          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
-          "dev": true,
-          "requires": {
-            "pify": "^3.0.0"
-          }
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
+          "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
+          "dev": true
         }
       }
     },
@@ -4132,28 +2524,6 @@
       "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
       "dev": true
     },
-    "duplexify": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.7.1.tgz",
-      "integrity": "sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==",
-      "dev": true,
-      "requires": {
-        "end-of-stream": "^1.0.0",
-        "inherits": "^2.0.1",
-        "readable-stream": "^2.0.0",
-        "stream-shift": "^1.0.0"
-      }
-    },
-    "each-props": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/each-props/-/each-props-1.3.2.tgz",
-      "integrity": "sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==",
-      "dev": true,
-      "requires": {
-        "is-plain-object": "^2.0.1",
-        "object.defaults": "^1.1.0"
-      }
-    },
     "ecc-jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
@@ -4165,56 +2535,44 @@
       }
     },
     "eccrypto": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/eccrypto/-/eccrypto-1.1.1.tgz",
-      "integrity": "sha512-uTLiIWyckVdddMywc6ArT4n3qKJDAUgUXV7A5yzUpqxz2lG++5+hPODEhtOf3C/qBLuCIUHjSt2ttSdteKzeMw==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/eccrypto/-/eccrypto-1.1.2.tgz",
+      "integrity": "sha512-4z/uF18h2TFdqqtFSUvlwRD9epzmeEEUZ4nVMv3ox+jy+V7AxU9s3nLoEDDbptTUlkAbAp5bPfhaS7H4naoFqg==",
       "dev": true,
       "requires": {
-        "acorn": "6.0.0",
-        "elliptic": "6.0.2",
-        "es6-promise": "3.0.2",
-        "nan": "2.11.1",
-        "secp256k1": "2.0.4"
+        "acorn": "7.1.0",
+        "elliptic": "6.5.1",
+        "es6-promise": "4.2.8",
+        "nan": "2.14.0",
+        "secp256k1": "3.7.1"
       },
       "dependencies": {
         "acorn": {
-          "version": "6.0.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.0.0.tgz",
-          "integrity": "sha512-vvZ8PwswGTM15ZXyk3I+SvpTm8UbF8iRnGiU/f9TPU6By7K1XTvfvusFtoQt0WYycudFSYW2lrJDivhBlGovvQ==",
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
+          "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
           "dev": true
         },
         "elliptic": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.0.2.tgz",
-          "integrity": "sha1-IZuWzZKqmIXZHTHB/ULqpetEg6k=",
+          "version": "6.5.1",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
+          "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
           "dev": true,
           "requires": {
-            "bn.js": "^4.0.0",
+            "bn.js": "^4.4.0",
             "brorand": "^1.0.1",
             "hash.js": "^1.0.0",
-            "inherits": "^2.0.1"
+            "hmac-drbg": "^1.0.0",
+            "inherits": "^2.0.1",
+            "minimalistic-assert": "^1.0.0",
+            "minimalistic-crypto-utils": "^1.0.0"
           }
         },
         "nan": {
-          "version": "2.11.1",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
-          "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==",
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
           "dev": true
-        },
-        "secp256k1": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-2.0.4.tgz",
-          "integrity": "sha1-BFPkuhzABIWRIXTvShxZsPG2+kk=",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "bindings": "^1.2.1",
-            "bluebird": "^3.0.2",
-            "bn.js": "^4.1.1",
-            "elliptic": "^6.0.1",
-            "nan": "^2.0.9",
-            "object-assign": "^4.0.1"
-          }
         }
       }
     },
@@ -4366,9 +2724,9 @@
       }
     },
     "es6-promise": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
-      "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=",
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz",
+      "integrity": "sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==",
       "dev": true
     },
     "es6-symbol": {
@@ -4381,18 +2739,6 @@
         "es5-ext": "~0.10.14"
       }
     },
-    "es6-weak-map": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.3.tgz",
-      "integrity": "sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==",
-      "dev": true,
-      "requires": {
-        "d": "1",
-        "es5-ext": "^0.10.46",
-        "es6-iterator": "^2.0.3",
-        "es6-symbol": "^3.1.1"
-      }
-    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -4488,57 +2834,21 @@
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
-          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          }
-        },
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "ms": "^2.1.1"
           }
         },
-        "esprima": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
           "dev": true
         },
-        "globals": {
-          "version": "11.7.0",
-          "resolved": "https://registry.npmjs.org/globals/-/globals-11.7.0.tgz",
-          "integrity": "sha512-K8BNSPySfeShBQXsahYB/AbbWruVOTyVpgoIDnl8odPpeSfP2J5QO2oLFFdl2j7GfDCtZj2bMKar2T49itTPCg==",
-          "dev": true
-        },
-        "js-yaml": {
-          "version": "3.13.1",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
-          "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -4547,15 +2857,6 @@
           "requires": {
             "ansi-regex": "^3.0.0"
           }
-        },
-        "supports-color": {
-          "version": "5.4.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
-          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
         }
       }
     },
@@ -4575,52 +2876,50 @@
         "resolve": "^1.5.0"
       },
       "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
+        "path-parse": {
+          "version": "1.0.6",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+          "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+          "dev": true
         },
         "resolve": {
-          "version": "1.8.1",
-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",
-          "integrity": "sha512-AicPrAC7Qu1JxPCZ9ZgCZlY35QgFnNqc+0LtbRNxnVw4TXvjQ72wnuL9JQcEBgXkI9JM8MsT9kaQoHcpCRJOYA==",
+          "version": "1.12.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
+          "integrity": "sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==",
           "dev": true,
           "requires": {
-            "path-parse": "^1.0.5"
+            "path-parse": "^1.0.6"
           }
         }
       }
     },
     "eslint-module-utils": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.2.0.tgz",
-      "integrity": "sha1-snA2LNiLGkitMIl2zn+lTphBF0Y=",
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.4.1.tgz",
+      "integrity": "sha512-H6DOj+ejw7Tesdgbfs4jeS4YMFrT8uI8xwd1gtQqXssaR0EQ26L+2O/w6wkYFy2MymON0fTwHmXBvvfLNZVZEw==",
       "dev": true,
       "requires": {
         "debug": "^2.6.8",
-        "pkg-dir": "^1.0.0"
+        "pkg-dir": "^2.0.0"
       }
     },
     "eslint-plugin-import": {
-      "version": "2.13.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.13.0.tgz",
-      "integrity": "sha512-t6hGKQDMIt9N8R7vLepsYXgDfeuhp6ZJSgtrLEDxonpSubyxUZHjhm6LsAaZX8q6GYVxkbT3kTsV9G5mBCFR6A==",
+      "version": "2.18.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.18.2.tgz",
+      "integrity": "sha512-5ohpsHAiUBRNaBWAF08izwUGlbrJoJJ+W9/TBwsGoR1MnlgfwMIKrFeSjWbt6moabiXW9xNvtFz+97KHRfI4HQ==",
       "dev": true,
       "requires": {
+        "array-includes": "^3.0.3",
         "contains-path": "^0.1.0",
-        "debug": "^2.6.8",
+        "debug": "^2.6.9",
         "doctrine": "1.5.0",
-        "eslint-import-resolver-node": "^0.3.1",
-        "eslint-module-utils": "^2.2.0",
-        "has": "^1.0.1",
-        "lodash": "^4.17.4",
-        "minimatch": "^3.0.3",
+        "eslint-import-resolver-node": "^0.3.2",
+        "eslint-module-utils": "^2.4.0",
+        "has": "^1.0.3",
+        "minimatch": "^3.0.4",
+        "object.values": "^1.1.0",
         "read-pkg-up": "^2.0.0",
-        "resolve": "^1.6.0"
+        "resolve": "^1.11.0"
       },
       "dependencies": {
         "doctrine": {
@@ -4633,87 +2932,35 @@
             "isarray": "^1.0.0"
           }
         },
-        "find-up": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
-          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+        "function-bind": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+          "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
+          "dev": true
+        },
+        "has": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
+          "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
           "dev": true,
           "requires": {
-            "locate-path": "^2.0.0"
+            "function-bind": "^1.1.1"
           }
         },
-        "load-json-file": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
-          "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "parse-json": "^2.2.0",
-            "pify": "^2.0.0",
-            "strip-bom": "^3.0.0"
-          },
-          "dependencies": {
-            "pify": {
-              "version": "2.3.0",
-              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-              "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-              "dev": true
-            }
-          }
-        },
-        "path-type": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
-          "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
-          "dev": true,
-          "requires": {
-            "pify": "^2.0.0"
-          },
-          "dependencies": {
-            "pify": {
-              "version": "2.3.0",
-              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-              "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-              "dev": true
-            }
-          }
-        },
-        "read-pkg": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
-          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
-          "dev": true,
-          "requires": {
-            "load-json-file": "^2.0.0",
-            "normalize-package-data": "^2.3.2",
-            "path-type": "^2.0.0"
-          }
-        },
-        "read-pkg-up": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
-          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
-          "dev": true,
-          "requires": {
-            "find-up": "^2.0.0",
-            "read-pkg": "^2.0.0"
-          }
+        "path-parse": {
+          "version": "1.0.6",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+          "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+          "dev": true
         },
         "resolve": {
-          "version": "1.8.1",
-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.8.1.tgz",
-          "integrity": "sha512-AicPrAC7Qu1JxPCZ9ZgCZlY35QgFnNqc+0LtbRNxnVw4TXvjQ72wnuL9JQcEBgXkI9JM8MsT9kaQoHcpCRJOYA==",
+          "version": "1.12.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
+          "integrity": "sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==",
           "dev": true,
           "requires": {
-            "path-parse": "^1.0.5"
+            "path-parse": "^1.0.6"
           }
-        },
-        "strip-bom": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
-          "dev": true
         }
       }
     },
@@ -4759,9 +3006,9 @@
       "dev": true
     },
     "eslint-scope": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-3.7.1.tgz",
-      "integrity": "sha1-PWPD7f2gLgbgGkUq2IyqzHzctug=",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-3.7.3.tgz",
+      "integrity": "sha512-W+B0SvF4gamyCTmUc+uITPY0989iXVfKvhwtmJocTaYoc/3khEHmEmvfY/Gn9HA9VV75jrQECsHizkNw1b68FA==",
       "dev": true,
       "requires": {
         "esrecurse": "^4.1.0",
@@ -4769,15 +3016,18 @@
       }
     },
     "eslint-utils": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
-      "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==",
-      "dev": true
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
     },
     "eslint-visitor-keys": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
-      "integrity": "sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
+      "integrity": "sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==",
       "dev": true
     },
     "espree": {
@@ -4815,9 +3065,9 @@
       }
     },
     "estraverse": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
-      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
+      "integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
       "dev": true
     },
     "esutils": {
@@ -4833,29 +3083,26 @@
       "dev": true
     },
     "eth-crypto": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/eth-crypto/-/eth-crypto-1.4.0.tgz",
-      "integrity": "sha512-BWeQFoGvutBnA4rH7IQTUHHbV+YludDueVxlqNXG3XXOMdrulLSqAPkxv8h4AlfBJnn50zJBmoyhJ11UIbz8EA==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/eth-crypto/-/eth-crypto-1.5.0.tgz",
+      "integrity": "sha512-BSTlT/dnyB8it3MBDf1X/RCwVjbah44KYgPZNxIBpXRr7jEIXe1eF8h6ShXT+a3mpCb7SWd9aczhSB4KioCSZw==",
       "dev": true,
       "requires": {
         "@types/bn.js": "4.11.5",
         "babel-runtime": "6.26.0",
-        "eccrypto": "1.1.1",
+        "eccrypto": "1.1.2",
         "eth-lib": "0.2.8",
-        "ethereumjs-tx": "2.1.0",
+        "ethereumjs-tx": "2.1.1",
         "ethereumjs-util": "6.1.0",
-        "ethers": "4.0.33",
+        "ethers": "4.0.37",
         "secp256k1": "3.7.1"
       },
       "dependencies": {
-        "bindings": {
-          "version": "1.5.0",
-          "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
-          "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
-          "dev": true,
-          "requires": {
-            "file-uri-to-path": "1.0.0"
-          }
+        "@types/node": {
+          "version": "10.14.20",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.20.tgz",
+          "integrity": "sha512-An+MXSV8CGXz/BO9C1KKsoJ/8WDrvlNUaRMsm2h+IHZuSyQkM8U5bJJkb8ItLKA73VePG/nUK+t+EuW2IWuhsQ==",
+          "dev": true
         },
         "eth-lib": {
           "version": "0.2.8",
@@ -4869,74 +3116,58 @@
           }
         },
         "ethereumjs-tx": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-2.1.0.tgz",
-          "integrity": "sha512-q1PFhR5i93OjcoE0G3GGz7XvnpLiddcUSKr28hmMUzVHvvc/+PHmQTx4NrGQUUny7qBq9tEIcvMivdB7uphKtA==",
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-2.1.1.tgz",
+          "integrity": "sha512-QtVriNqowCFA19X9BCRPMgdVNJ0/gMBS91TQb1DfrhsbR748g4STwxZptFAwfqehMyrF8rDwB23w87PQwru0wA==",
           "dev": true,
           "requires": {
-            "ethereumjs-common": "^1.3.0",
+            "ethereumjs-common": "^1.3.1",
             "ethereumjs-util": "^6.0.0"
           }
         },
-        "ethereumjs-util": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-          "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
+        "ethers": {
+          "version": "4.0.37",
+          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.37.tgz",
+          "integrity": "sha512-B7bDdyQ45A5lPr6k2HOkEKMtYOuqlfy+nNf8glnRvWidkDQnToKw1bv7UyrwlbsIgY2mE03UxTVtouXcT6Vvcw==",
           "dev": true,
           "requires": {
-            "bn.js": "^4.11.0",
-            "create-hash": "^1.1.2",
-            "ethjs-util": "0.1.6",
-            "keccak": "^1.0.2",
-            "rlp": "^2.0.0",
-            "safe-buffer": "^5.1.1",
-            "secp256k1": "^3.0.1"
-          }
-        },
-        "nan": {
-          "version": "2.14.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
-          "dev": true
-        },
-        "secp256k1": {
-          "version": "3.7.1",
-          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.7.1.tgz",
-          "integrity": "sha512-1cf8sbnRreXrQFdH6qsg2H71Xw91fCCS9Yp021GnUNJzWJS/py96fS4lHbnTnouLp08Xj6jBoBB6V78Tdbdu5g==",
-          "dev": true,
-          "requires": {
-            "bindings": "^1.5.0",
-            "bip66": "^1.1.5",
-            "bn.js": "^4.11.8",
-            "create-hash": "^1.2.0",
-            "drbg.js": "^1.0.1",
-            "elliptic": "^6.4.1",
-            "nan": "^2.14.0",
-            "safe-buffer": "^5.1.2"
+            "@types/node": "^10.3.2",
+            "aes-js": "3.0.0",
+            "bn.js": "^4.4.0",
+            "elliptic": "6.3.3",
+            "hash.js": "1.1.3",
+            "js-sha3": "0.5.7",
+            "scrypt-js": "2.0.4",
+            "setimmediate": "1.0.4",
+            "uuid": "2.0.1",
+            "xmlhttprequest": "1.8.0"
           },
           "dependencies": {
             "elliptic": {
-              "version": "6.5.0",
-              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
-              "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
+              "version": "6.3.3",
+              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.3.tgz",
+              "integrity": "sha1-VILZZG1UvLif19mU/J4ulWiHbj8=",
               "dev": true,
               "requires": {
                 "bn.js": "^4.4.0",
                 "brorand": "^1.0.1",
                 "hash.js": "^1.0.0",
-                "hmac-drbg": "^1.0.0",
-                "inherits": "^2.0.1",
-                "minimalistic-assert": "^1.0.0",
-                "minimalistic-crypto-utils": "^1.0.0"
+                "inherits": "^2.0.1"
               }
-            },
-            "safe-buffer": {
-              "version": "5.2.0",
-              "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
-              "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
-              "dev": true
             }
           }
+        },
+        "js-sha3": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
+          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
+          "dev": true
+        },
+        "uuid": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
+          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=",
+          "dev": true
         }
       }
     },
@@ -4974,9 +3205,9 @@
       }
     },
     "eth-sig-util": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-2.3.0.tgz",
-      "integrity": "sha512-ugD1AvaggvKaZDgnS19W5qOfepjGc7qHrt7TrAaL54gJw9SHvgIXJ3r2xOMW30RWJZNP+1GlTOy5oye7yXA4xA==",
+      "version": "2.4.4",
+      "resolved": "https://registry.npmjs.org/eth-sig-util/-/eth-sig-util-2.4.4.tgz",
+      "integrity": "sha512-iWGqEJwsUMgtk8AqQQqIDTjMz+pW8s2Sq8gN640dh9U9HoEFQJO3m6ro96DgV6hMB2LYu8F5812LQyynOgCbEw==",
       "dev": true,
       "requires": {
         "buffer": "^5.2.1",
@@ -5042,9 +3273,9 @@
       }
     },
     "ethereumjs-common": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.3.1.tgz",
-      "integrity": "sha512-kexqNgM2q29RKoZPPjehPREeqbr/vhYfT9Ho8FVeH3f7USjBuYp1iZ1qjqklk8FSMvEKPpMJFYSOunikw30Prw==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.3.2.tgz",
+      "integrity": "sha512-GkltYRIqBLzaZLmF/K3E+g9lZ4O4FL+TtpisAlD3N+UVlR+mrtoG+TvxavqVa6PwOY4nKIEMe5pl6MrTio3Lww==",
       "dev": true
     },
     "ethereumjs-testrpc-sc": {
@@ -5084,14 +3315,14 @@
       }
     },
     "ethereumjs-util": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.0.0.tgz",
-      "integrity": "sha512-E3yKUyl0Fs95nvTFQZe/ZSNcofhDzUsDlA5y2uoRmf1+Ec7gpGhNCsgKkZBRh7Br5op8mJcYF/jFbmjj909+nQ==",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
+      "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
       "dev": true,
       "requires": {
         "bn.js": "^4.11.0",
         "create-hash": "^1.1.2",
-        "ethjs-util": "^0.1.6",
+        "ethjs-util": "0.1.6",
         "keccak": "^1.0.2",
         "rlp": "^2.0.0",
         "safe-buffer": "^5.1.1",
@@ -5128,17 +3359,17 @@
           "dev": true
         },
         "uuid": {
-          "version": "3.3.2",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+          "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==",
           "dev": true
         }
       }
     },
     "ethers": {
-      "version": "4.0.33",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.33.tgz",
-      "integrity": "sha512-lAHkSPzBe0Vj+JrhmkEHLtUEKEheVktIjGDyE9gbzF4zf1vibjYgB57LraDHu4/ItqWVkztgsm8GWqcDMN+6vQ==",
+      "version": "4.0.37",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.37.tgz",
+      "integrity": "sha512-B7bDdyQ45A5lPr6k2HOkEKMtYOuqlfy+nNf8glnRvWidkDQnToKw1bv7UyrwlbsIgY2mE03UxTVtouXcT6Vvcw==",
       "dev": true,
       "requires": {
         "@types/node": "^10.3.2",
@@ -5154,9 +3385,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "10.14.14",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.14.tgz",
-          "integrity": "sha512-xXD08vZsvpv4xptQXj1+ky22f7ZoKu5ZNI/4l+/BXG3X+XaeZsmaFbbTKuhSE3NjjvRuZFxFf9sQBMXIcZNFMQ==",
+          "version": "10.14.21",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.21.tgz",
+          "integrity": "sha512-nuFlRdBiqbF+PJIEVxm2jLFcQWN7q7iWEJGsBV4n7v1dbI9qXB8im2pMMKMCUZe092sQb5SQft2DHfuQGK5hqQ==",
           "dev": true
         },
         "elliptic": {
@@ -5255,18 +3486,48 @@
       }
     },
     "execa": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/execa/-/execa-0.7.0.tgz",
-      "integrity": "sha1-lEvs00zEHuMqY6n68nrVpl/Fl3c=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
       "dev": true,
       "requires": {
-        "cross-spawn": "^5.0.1",
-        "get-stream": "^3.0.0",
+        "cross-spawn": "^6.0.0",
+        "get-stream": "^4.0.0",
         "is-stream": "^1.1.0",
         "npm-run-path": "^2.0.0",
         "p-finally": "^1.0.0",
         "signal-exit": "^3.0.0",
         "strip-eof": "^1.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "get-stream": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+          "dev": true,
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+          "dev": true
+        }
       }
     },
     "execall": {
@@ -5313,15 +3574,6 @@
         }
       }
     },
-    "expand-tilde": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/expand-tilde/-/expand-tilde-2.0.2.tgz",
-      "integrity": "sha1-l+gBqgUt8CRU3kawK/YhZCzchQI=",
-      "dev": true,
-      "requires": {
-        "homedir-polyfill": "^1.0.1"
-      }
-    },
     "express": {
       "version": "4.17.1",
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
@@ -5402,9 +3654,9 @@
       }
     },
     "external-editor": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.1.0.tgz",
-      "integrity": "sha512-E44iT5QVOUJBKij4IIV3uvxuNlbKS38Tw1HiupxEIHPv9qtC2PrDYohbXV5U+1jnfIXttny8gUhj+oZvflFlzA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
+      "integrity": "sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==",
       "dev": true,
       "requires": {
         "chardet": "^0.4.0",
@@ -5483,18 +3735,6 @@
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
       "dev": true
     },
-    "fancy-log": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/fancy-log/-/fancy-log-1.3.3.tgz",
-      "integrity": "sha512-k9oEhlyc0FrVh25qYuSELjr8oxsCoc4/LEZfg2iJJrfEk/tZL9bCoJE47gqAvI2m/AUjluCS4+3I0eTx8n3AEw==",
-      "dev": true,
-      "requires": {
-        "ansi-gray": "^0.1.1",
-        "color-support": "^1.1.3",
-        "parse-node-version": "^1.0.0",
-        "time-stamp": "^1.0.0"
-      }
-    },
     "fast-deep-equal": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz",
@@ -5508,120 +3748,25 @@
       "dev": true
     },
     "fast-glob": {
-      "version": "2.2.7",
-      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-2.2.7.tgz",
-      "integrity": "sha512-g1KuQwHOZAmOZMuBtHdxDtju+T2RT8jgCC9aANsbpdiDDTSnjgfuVsIBNKbUeJI3oKMRExcfNDtJl4OhbffMsw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.1.0.tgz",
+      "integrity": "sha512-TrUz3THiq2Vy3bjfQUB2wNyPdGBeGmdjbzzBLhfHN4YFurYptCKwGq/TfiRavbGywFRzY6U2CdmQ1zmsY5yYaw==",
       "dev": true,
       "requires": {
-        "@mrmlnc/readdir-enhanced": "^2.2.1",
-        "@nodelib/fs.stat": "^1.1.2",
-        "glob-parent": "^3.1.0",
-        "is-glob": "^4.0.0",
-        "merge2": "^1.2.3",
-        "micromatch": "^3.1.10"
+        "@nodelib/fs.stat": "^2.0.2",
+        "@nodelib/fs.walk": "^1.2.3",
+        "glob-parent": "^5.1.0",
+        "merge2": "^1.3.0",
+        "micromatch": "^4.0.2"
       },
       "dependencies": {
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
+        "glob-parent": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.0.tgz",
+          "integrity": "sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==",
           "dev": true,
           "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "fill-range": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
-            "to-regex-range": "^2.1.0"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
-        },
-        "micromatch": {
-          "version": "3.1.10",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
-        },
-        "to-regex-range": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-          "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
-          "dev": true,
-          "requires": {
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1"
+            "is-glob": "^4.0.1"
           }
         }
       }
@@ -5638,6 +3783,15 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
+    "fastq": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.6.0.tgz",
+      "integrity": "sha512-jmxqQ3Z/nXoeyDmWAzF9kH1aGZSis6e/SbfPmJpUnyZ0ogr6iscHQaml4wsEepEWSdtmpy+eVXmCRIMpxaXqOA==",
+      "dev": true,
+      "requires": {
+        "reusify": "^1.0.0"
+      }
+    },
     "fd-slicer": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
@@ -5703,211 +3857,57 @@
       }
     },
     "find-up": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
-      "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
-      "dev": true,
-      "requires": {
-        "path-exists": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
-      }
-    },
-    "findup-sync": {
       "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/findup-sync/-/findup-sync-3.0.0.tgz",
-      "integrity": "sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+      "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
       "dev": true,
       "requires": {
-        "detect-file": "^1.0.0",
-        "is-glob": "^4.0.0",
-        "micromatch": "^3.0.4",
-        "resolve-dir": "^1.0.1"
-      },
-      "dependencies": {
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-          "dev": true,
-          "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "fill-range": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
-            "to-regex-range": "^2.1.0"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
-        },
-        "micromatch": {
-          "version": "3.1.10",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
-        },
-        "to-regex-range": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-          "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
-          "dev": true,
-          "requires": {
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1"
-          }
-        }
+        "locate-path": "^3.0.0"
       }
     },
-    "fined": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/fined/-/fined-1.2.0.tgz",
-      "integrity": "sha512-ZYDqPLGxDkDhDZBjZBb+oD1+j0rA4E0pXY50eplAAOPg2N/gUBSSk5IM1/QhPfyVo19lJ+CvXpqfvk+b2p/8Ng==",
-      "dev": true,
-      "requires": {
-        "expand-tilde": "^2.0.2",
-        "is-plain-object": "^2.0.3",
-        "object.defaults": "^1.1.0",
-        "object.pick": "^1.2.0",
-        "parse-filepath": "^1.0.1"
-      }
-    },
-    "flagged-respawn": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/flagged-respawn/-/flagged-respawn-1.0.1.tgz",
-      "integrity": "sha512-lNaHNVymajmk0OJMBn8fVUAU1BtDeKIqKoVhk4xAALB57aALg6b4W0MfJ/cUE0g9YBXy5XhSlPIpYIJ7HaY/3Q==",
-      "dev": true
-    },
     "flat-cache": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-1.3.0.tgz",
-      "integrity": "sha1-0wMLMrOBVPTjt+nHCfSQ9++XxIE=",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-1.3.4.tgz",
+      "integrity": "sha512-VwyB3Lkgacfik2vhqR4uv2rvebqmDvFu4jlN/C1RzWoJEo8I7z4Q404oiqYCkq41mni8EzQnm95emU9seckwtg==",
       "dev": true,
       "requires": {
         "circular-json": "^0.3.1",
-        "del": "^2.0.2",
         "graceful-fs": "^4.1.2",
+        "rimraf": "~2.6.2",
         "write": "^0.2.1"
-      }
-    },
-    "flatted": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.0.tgz",
-      "integrity": "sha512-R+H8IZclI8AAkSBRQJLVOsxwAoHd6WC40b4QTNWIjzAa6BXOBfQcM587MXDTVPeYaopFNWHUFLx7eNmHDSxMWg==",
-      "dev": true
-    },
-    "flush-write-stream": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/flush-write-stream/-/flush-write-stream-1.1.1.tgz",
-      "integrity": "sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==",
-      "dev": true,
-      "requires": {
-        "inherits": "^2.0.3",
-        "readable-stream": "^2.3.6"
       },
       "dependencies": {
-        "process-nextick-args": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-          "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+        "glob": {
+          "version": "7.1.5",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.5.tgz",
+          "integrity": "sha512-J9dlskqUXK1OeTOYBEn5s8aMukWMwWfs+rPTn/jn50Ux4MNXVhubL1wu/j2t+H4NVI+cXEcCaYellqaPVGXNqQ==",
           "dev": true,
           "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+        "rimraf": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+          "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
           "dev": true,
           "requires": {
-            "safe-buffer": "~5.1.0"
+            "glob": "^7.1.3"
           }
         }
       }
     },
+    "flatted": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
+      "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==",
+      "dev": true
+    },
     "follow-redirects": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.7.0.tgz",
@@ -5949,15 +3949,6 @@
       "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=",
       "dev": true
     },
-    "for-own": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/for-own/-/for-own-1.0.0.tgz",
-      "integrity": "sha1-xjMy9BXO3EsE2/5wz4NklMU8tEs=",
-      "dev": true,
-      "requires": {
-        "for-in": "^1.0.1"
-      }
-    },
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
@@ -6003,16 +3994,22 @@
       "dev": true
     },
     "fs-extra": {
-      "version": "0.30.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
-      "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
       "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.2",
-        "jsonfile": "^2.1.0",
-        "klaw": "^1.0.0",
-        "path-is-absolute": "^1.0.0",
-        "rimraf": "^2.2.8"
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      },
+      "dependencies": {
+        "graceful-fs": {
+          "version": "4.2.2",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
+          "integrity": "sha512-IItsdsea19BoLC7ELy13q1iJFNmd7ofZH5+X/pJr90/nRoPEX0DJo1dHDbgtYWOhJhcCgMDTOw84RZ72q6lB+Q==",
+          "dev": true
+        }
       }
     },
     "fs-minipass": {
@@ -6024,16 +4021,6 @@
         "minipass": "^2.2.1"
       }
     },
-    "fs-mkdirp-stream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz",
-      "integrity": "sha1-C3gV/DIBxqaeFNuYzgmMFpNSWes=",
-      "dev": true,
-      "requires": {
-        "graceful-fs": "^4.1.11",
-        "through2": "^2.0.3"
-      }
-    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -6608,57 +4595,148 @@
       "dev": true
     },
     "ganache-cli": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/ganache-cli/-/ganache-cli-6.4.1.tgz",
-      "integrity": "sha512-MUZ1DNnmlTrXnH6EuINuew75AI9d/wbIC0WpZCJo5Endsf6ZwEvfnfxGMpEnVizRri1mon2WWxLGAmALDxVcRQ==",
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/ganache-cli/-/ganache-cli-6.7.0.tgz",
+      "integrity": "sha512-9CZsClo9hl5MxGL7hkk14mie89Q94P0idh92jcV7LmppTYTCG7SHatuwcfqN7emFHArMt3fneN4QbH2do2N6Ow==",
       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "source-map-support": "0.5.9",
-        "yargs": "11.1.0"
+        "ethereumjs-util": "6.1.0",
+        "source-map-support": "0.5.12",
+        "yargs": "13.2.4"
       },
       "dependencies": {
         "ansi-regex": {
-          "version": "3.0.0",
+          "version": "4.1.0",
           "bundled": true,
           "dev": true
         },
+        "ansi-styles": {
+          "version": "3.2.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "bindings": {
+          "version": "1.5.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "file-uri-to-path": "1.0.0"
+          }
+        },
+        "bip66": {
+          "version": "1.1.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "safe-buffer": "^5.0.1"
+          }
+        },
         "bn.js": {
           "version": "4.11.8",
           "bundled": true,
           "dev": true
         },
+        "brorand": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "browserify-aes": {
+          "version": "1.2.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "buffer-xor": "^1.0.3",
+            "cipher-base": "^1.0.0",
+            "create-hash": "^1.1.0",
+            "evp_bytestokey": "^1.0.3",
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
+          }
+        },
         "buffer-from": {
           "version": "1.1.1",
           "bundled": true,
           "dev": true
         },
-        "camelcase": {
-          "version": "4.1.0",
+        "buffer-xor": {
+          "version": "1.0.3",
           "bundled": true,
           "dev": true
         },
-        "cliui": {
-          "version": "4.1.0",
+        "camelcase": {
+          "version": "5.3.1",
+          "bundled": true,
+          "dev": true
+        },
+        "cipher-base": {
+          "version": "1.0.4",
           "bundled": true,
           "dev": true,
           "requires": {
-            "string-width": "^2.1.1",
-            "strip-ansi": "^4.0.0",
-            "wrap-ansi": "^2.0.0"
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
           }
         },
-        "code-point-at": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true
-        },
-        "cross-spawn": {
-          "version": "5.1.0",
+        "cliui": {
+          "version": "5.0.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "lru-cache": "^4.0.1",
+            "string-width": "^3.1.0",
+            "strip-ansi": "^5.2.0",
+            "wrap-ansi": "^5.1.0"
+          }
+        },
+        "color-convert": {
+          "version": "1.9.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "bundled": true,
+          "dev": true
+        },
+        "create-hash": {
+          "version": "1.2.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "cipher-base": "^1.0.1",
+            "inherits": "^2.0.1",
+            "md5.js": "^1.3.4",
+            "ripemd160": "^2.0.1",
+            "sha.js": "^2.4.0"
+          }
+        },
+        "create-hmac": {
+          "version": "1.1.7",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "cipher-base": "^1.0.3",
+            "create-hash": "^1.1.0",
+            "inherits": "^2.0.1",
+            "ripemd160": "^2.0.0",
+            "safe-buffer": "^5.0.1",
+            "sha.js": "^2.4.8"
+          }
+        },
+        "cross-spawn": {
+          "version": "6.0.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
             "shebang-command": "^1.2.0",
             "which": "^1.2.9"
           }
@@ -6668,13 +4746,82 @@
           "bundled": true,
           "dev": true
         },
-        "execa": {
-          "version": "0.7.0",
+        "drbg.js": {
+          "version": "1.0.1",
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "^5.0.1",
-            "get-stream": "^3.0.0",
+            "browserify-aes": "^1.0.6",
+            "create-hash": "^1.1.2",
+            "create-hmac": "^1.1.4"
+          }
+        },
+        "elliptic": {
+          "version": "6.5.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.4.0",
+            "brorand": "^1.0.1",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.0",
+            "inherits": "^2.0.1",
+            "minimalistic-assert": "^1.0.0",
+            "minimalistic-crypto-utils": "^1.0.0"
+          }
+        },
+        "emoji-regex": {
+          "version": "7.0.3",
+          "bundled": true,
+          "dev": true
+        },
+        "end-of-stream": {
+          "version": "1.4.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "once": "^1.4.0"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "6.1.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "ethjs-util": "0.1.6",
+            "keccak": "^1.0.2",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1",
+            "secp256k1": "^3.0.1"
+          }
+        },
+        "ethjs-util": {
+          "version": "0.1.6",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-hex-prefixed": "1.0.0",
+            "strip-hex-prefix": "1.0.0"
+          }
+        },
+        "evp_bytestokey": {
+          "version": "1.0.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "md5.js": "^1.3.4",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "execa": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "cross-spawn": "^6.0.0",
+            "get-stream": "^4.0.0",
             "is-stream": "^1.1.0",
             "npm-run-path": "^2.0.0",
             "p-finally": "^1.0.0",
@@ -6682,26 +4829,67 @@
             "strip-eof": "^1.0.0"
           }
         },
+        "file-uri-to-path": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
         "find-up": {
-          "version": "2.1.0",
+          "version": "3.0.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "locate-path": "^2.0.0"
+            "locate-path": "^3.0.0"
           }
         },
         "get-caller-file": {
-          "version": "1.0.3",
+          "version": "2.0.5",
           "bundled": true,
           "dev": true
         },
         "get-stream": {
-          "version": "3.0.0",
+          "version": "4.1.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        },
+        "hash-base": {
+          "version": "3.0.4",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "hash.js": {
+          "version": "1.1.7",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "minimalistic-assert": "^1.0.1"
+          }
+        },
+        "hmac-drbg": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "hash.js": "^1.0.3",
+            "minimalistic-assert": "^1.0.0",
+            "minimalistic-crypto-utils": "^1.0.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
           "bundled": true,
           "dev": true
         },
         "invert-kv": {
-          "version": "1.0.0",
+          "version": "2.0.0",
           "bundled": true,
           "dev": true
         },
@@ -6710,6 +4898,11 @@
           "bundled": true,
           "dev": true
         },
+        "is-hex-prefixed": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
         "is-stream": {
           "version": "1.1.0",
           "bundled": true,
@@ -6720,42 +4913,84 @@
           "bundled": true,
           "dev": true
         },
-        "lcid": {
-          "version": "1.0.0",
+        "keccak": {
+          "version": "1.4.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "invert-kv": "^1.0.0"
+            "bindings": "^1.2.1",
+            "inherits": "^2.0.3",
+            "nan": "^2.2.1",
+            "safe-buffer": "^5.1.0"
           }
         },
-        "locate-path": {
+        "lcid": {
           "version": "2.0.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-locate": "^2.0.0",
+            "invert-kv": "^2.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "3.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
             "path-exists": "^3.0.0"
           }
         },
-        "lru-cache": {
-          "version": "4.1.4",
+        "map-age-cleaner": {
+          "version": "0.1.3",
           "bundled": true,
           "dev": true,
           "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^3.0.2"
+            "p-defer": "^1.0.0"
+          }
+        },
+        "md5.js": {
+          "version": "1.3.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "hash-base": "^3.0.0",
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.1.2"
           }
         },
         "mem": {
-          "version": "1.1.0",
+          "version": "4.3.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "mimic-fn": "^1.0.0"
+            "map-age-cleaner": "^0.1.1",
+            "mimic-fn": "^2.0.0",
+            "p-is-promise": "^2.0.0"
           }
         },
         "mimic-fn": {
-          "version": "1.2.0",
+          "version": "2.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "minimalistic-assert": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "minimalistic-crypto-utils": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "nan": {
+          "version": "2.14.0",
+          "bundled": true,
+          "dev": true
+        },
+        "nice-try": {
+          "version": "1.0.5",
           "bundled": true,
           "dev": true
         },
@@ -6767,44 +5002,57 @@
             "path-key": "^2.0.0"
           }
         },
-        "number-is-nan": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true
-        },
-        "os-locale": {
-          "version": "2.1.0",
+        "once": {
+          "version": "1.4.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "execa": "^0.7.0",
-            "lcid": "^1.0.0",
-            "mem": "^1.1.0"
+            "wrappy": "1"
           }
         },
+        "os-locale": {
+          "version": "3.1.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "execa": "^1.0.0",
+            "lcid": "^2.0.0",
+            "mem": "^4.0.0"
+          }
+        },
+        "p-defer": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
         "p-finally": {
           "version": "1.0.0",
           "bundled": true,
           "dev": true
         },
+        "p-is-promise": {
+          "version": "2.1.0",
+          "bundled": true,
+          "dev": true
+        },
         "p-limit": {
-          "version": "1.3.0",
+          "version": "2.2.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-try": "^1.0.0"
+            "p-try": "^2.0.0"
           }
         },
         "p-locate": {
-          "version": "2.0.0",
+          "version": "3.0.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-limit": "^1.1.0"
+            "p-limit": "^2.0.0"
           }
         },
         "p-try": {
-          "version": "1.0.0",
+          "version": "2.2.0",
           "bundled": true,
           "dev": true
         },
@@ -6818,10 +5066,14 @@
           "bundled": true,
           "dev": true
         },
-        "pseudomap": {
-          "version": "1.0.2",
+        "pump": {
+          "version": "3.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
+          }
         },
         "require-directory": {
           "version": "2.1.1",
@@ -6829,7 +5081,50 @@
           "dev": true
         },
         "require-main-filename": {
-          "version": "1.0.1",
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "ripemd160": {
+          "version": "2.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "hash-base": "^3.0.0",
+            "inherits": "^2.0.1"
+          }
+        },
+        "rlp": {
+          "version": "2.2.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.1",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "bundled": true,
+          "dev": true
+        },
+        "secp256k1": {
+          "version": "3.7.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "bip66": "^1.1.5",
+            "bn.js": "^4.11.8",
+            "create-hash": "^1.2.0",
+            "drbg.js": "^1.0.1",
+            "elliptic": "^6.4.1",
+            "nan": "^2.14.0",
+            "safe-buffer": "^5.1.2"
+          }
+        },
+        "semver": {
+          "version": "5.7.0",
           "bundled": true,
           "dev": true
         },
@@ -6838,6 +5133,15 @@
           "bundled": true,
           "dev": true
         },
+        "sha.js": {
+          "version": "2.4.11",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.1",
+            "safe-buffer": "^5.0.1"
+          }
+        },
         "shebang-command": {
           "version": "1.2.0",
           "bundled": true,
@@ -6862,7 +5166,7 @@
           "dev": true
         },
         "source-map-support": {
-          "version": "0.5.9",
+          "version": "0.5.12",
           "bundled": true,
           "dev": true,
           "requires": {
@@ -6871,20 +5175,21 @@
           }
         },
         "string-width": {
-          "version": "2.1.1",
+          "version": "3.1.0",
           "bundled": true,
           "dev": true,
           "requires": {
+            "emoji-regex": "^7.0.1",
             "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
+            "strip-ansi": "^5.1.0"
           }
         },
         "strip-ansi": {
-          "version": "4.0.0",
+          "version": "5.2.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "^3.0.0"
+            "ansi-regex": "^4.1.0"
           }
         },
         "strip-eof": {
@@ -6892,6 +5197,14 @@
           "bundled": true,
           "dev": true
         },
+        "strip-hex-prefix": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "is-hex-prefixed": "1.0.0"
+          }
+        },
         "which": {
           "version": "1.3.1",
           "bundled": true,
@@ -6906,82 +5219,50 @@
           "dev": true
         },
         "wrap-ansi": {
-          "version": "2.1.0",
+          "version": "5.1.0",
           "bundled": true,
           "dev": true,
           "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1"
-          },
-          "dependencies": {
-            "ansi-regex": {
-              "version": "2.1.1",
-              "bundled": true,
-              "dev": true
-            },
-            "is-fullwidth-code-point": {
-              "version": "1.0.0",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "number-is-nan": "^1.0.0"
-              }
-            },
-            "string-width": {
-              "version": "1.0.2",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "code-point-at": "^1.0.0",
-                "is-fullwidth-code-point": "^1.0.0",
-                "strip-ansi": "^3.0.0"
-              }
-            },
-            "strip-ansi": {
-              "version": "3.0.1",
-              "bundled": true,
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^2.0.0"
-              }
-            }
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
           }
         },
-        "y18n": {
-          "version": "3.2.1",
+        "wrappy": {
+          "version": "1.0.2",
           "bundled": true,
           "dev": true
         },
-        "yallist": {
-          "version": "3.0.2",
+        "y18n": {
+          "version": "4.0.0",
           "bundled": true,
           "dev": true
         },
         "yargs": {
-          "version": "11.1.0",
+          "version": "13.2.4",
           "bundled": true,
           "dev": true,
           "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.1.1",
-            "find-up": "^2.1.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^2.0.0",
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "os-locale": "^3.1.0",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
             "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
+            "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^9.0.2"
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.0"
           }
         },
         "yargs-parser": {
-          "version": "9.0.2",
+          "version": "13.1.1",
           "bundled": true,
           "dev": true,
           "requires": {
-            "camelcase": "^4.1.0"
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
           }
         }
       }
@@ -7371,9 +5652,9 @@
       }
     },
     "get-caller-file": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
-      "integrity": "sha1-9wLmMSfn4jHBYKgMFVSstw1QR+U=",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
+      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
       "dev": true
     },
     "get-func-name": {
@@ -7438,44 +5719,6 @@
         }
       }
     },
-    "glob-stream": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/glob-stream/-/glob-stream-6.1.0.tgz",
-      "integrity": "sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=",
-      "dev": true,
-      "requires": {
-        "extend": "^3.0.0",
-        "glob": "^7.1.1",
-        "glob-parent": "^3.1.0",
-        "is-negated-glob": "^1.0.0",
-        "ordered-read-streams": "^1.0.0",
-        "pumpify": "^1.3.5",
-        "readable-stream": "^2.1.5",
-        "remove-trailing-separator": "^1.0.1",
-        "to-absolute-glob": "^2.0.0",
-        "unique-stream": "^2.0.2"
-      }
-    },
-    "glob-to-regexp": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz",
-      "integrity": "sha1-jFoUlNIGbFcMw7/kSWF1rMTVAqs=",
-      "dev": true
-    },
-    "glob-watcher": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/glob-watcher/-/glob-watcher-5.0.3.tgz",
-      "integrity": "sha512-8tWsULNEPHKQ2MR4zXuzSmqbdyV5PtwwCaWSGQ1WwHsJ07ilNeN1JB8ntxhckbnpSHaf9dXFUHzIWvm1I13dsg==",
-      "dev": true,
-      "requires": {
-        "anymatch": "^2.0.0",
-        "async-done": "^1.2.0",
-        "chokidar": "^2.0.0",
-        "is-negated-glob": "^1.0.0",
-        "just-debounce": "^1.0.0",
-        "object.defaults": "^1.1.0"
-      }
-    },
     "global": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/global/-/global-4.3.2.tgz",
@@ -7495,30 +5738,6 @@
         "ini": "^1.3.4"
       }
     },
-    "global-modules": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/global-modules/-/global-modules-1.0.0.tgz",
-      "integrity": "sha512-sKzpEkf11GpOFuw0Zzjzmt4B4UZwjOcG757PPvrfhxcLFbq0wpsgpOqxpxtxFiCG4DtG93M6XRVbF2oGdev7bg==",
-      "dev": true,
-      "requires": {
-        "global-prefix": "^1.0.1",
-        "is-windows": "^1.0.1",
-        "resolve-dir": "^1.0.0"
-      }
-    },
-    "global-prefix": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/global-prefix/-/global-prefix-1.0.2.tgz",
-      "integrity": "sha1-2/dDxsFJklk8ZVVoy2btMsASLr4=",
-      "dev": true,
-      "requires": {
-        "expand-tilde": "^2.0.2",
-        "homedir-polyfill": "^1.0.1",
-        "ini": "^1.3.4",
-        "is-windows": "^1.0.1",
-        "which": "^1.2.14"
-      }
-    },
     "globals": {
       "version": "11.12.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
@@ -7526,36 +5745,43 @@
       "dev": true
     },
     "globby": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-5.0.0.tgz",
-      "integrity": "sha1-69hGZ8oNuzMLmbz8aOrCvFQ3Dg0=",
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-10.0.1.tgz",
+      "integrity": "sha512-sSs4inE1FB2YQiymcmTv6NWENryABjUNPeWhOvmn4SjtKybglsyPZxFB3U1/+L1bYi0rNZDqCLlHyLYDl1Pq5A==",
       "dev": true,
       "requires": {
-        "array-union": "^1.0.1",
-        "arrify": "^1.0.0",
-        "glob": "^7.0.3",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
+        "@types/glob": "^7.1.1",
+        "array-union": "^2.1.0",
+        "dir-glob": "^3.0.1",
+        "fast-glob": "^3.0.3",
+        "glob": "^7.1.3",
+        "ignore": "^5.1.1",
+        "merge2": "^1.2.3",
+        "slash": "^3.0.0"
       },
       "dependencies": {
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+        "glob": {
+          "version": "7.1.4",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
+          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "ignore": {
+          "version": "5.1.4",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.4.tgz",
+          "integrity": "sha512-MzbUSahkTW1u7JpKKjY7LCARd1fU5W2rLdxlM4kdkayuCwZImjkpluF9CM1aLewYJguPDqewLam18Y6AU69A8A==",
           "dev": true
         }
       }
     },
-    "glogg": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/glogg/-/glogg-1.0.2.tgz",
-      "integrity": "sha512-5mwUoSuBk44Y4EshyiqcH95ZntbDdTQqA3QYSrxmzj28Ai0vXBGMH1ApSANH14j2sIRtqCEyg6PfsuP7ElOEDA==",
-      "dev": true,
-      "requires": {
-        "sparkles": "^1.0.0"
-      }
-    },
     "got": {
       "version": "9.6.0",
       "resolved": "https://registry.npmjs.org/got/-/got-9.6.0.tgz",
@@ -7619,136 +5845,24 @@
       "integrity": "sha512-hKlsbA5Vu3xsh1Cg3J7jSmX/WaW6A5oBeqzM88oNbCRQFz+zUaXm6yxS4RVytp1scBoJzSYl4YAEOQIt6O8V1Q==",
       "dev": true
     },
-    "gulp": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/gulp/-/gulp-4.0.2.tgz",
-      "integrity": "sha512-dvEs27SCZt2ibF29xYgmnwwCYZxdxhQ/+LFWlbAW8y7jt68L/65402Lz3+CKy0Ov4rOs+NERmDq7YlZaDqUIfA==",
-      "dev": true,
-      "requires": {
-        "glob-watcher": "^5.0.3",
-        "gulp-cli": "^2.2.0",
-        "undertaker": "^1.2.1",
-        "vinyl-fs": "^3.0.0"
-      },
-      "dependencies": {
-        "ansi-colors": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
-          "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
-          "dev": true,
-          "requires": {
-            "ansi-wrap": "^0.1.0"
-          }
-        },
-        "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true
-        },
-        "cliui": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
-          "dev": true,
-          "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1",
-            "wrap-ansi": "^2.0.0"
-          }
-        },
-        "gulp-cli": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/gulp-cli/-/gulp-cli-2.2.0.tgz",
-          "integrity": "sha512-rGs3bVYHdyJpLqR0TUBnlcZ1O5O++Zs4bA0ajm+zr3WFCfiSLjGwoCBqFs18wzN+ZxahT9DkOK5nDf26iDsWjA==",
-          "dev": true,
-          "requires": {
-            "ansi-colors": "^1.0.1",
-            "archy": "^1.0.0",
-            "array-sort": "^1.0.0",
-            "color-support": "^1.1.3",
-            "concat-stream": "^1.6.0",
-            "copy-props": "^2.0.1",
-            "fancy-log": "^1.3.2",
-            "gulplog": "^1.0.0",
-            "interpret": "^1.1.0",
-            "isobject": "^3.0.1",
-            "liftoff": "^3.1.0",
-            "matchdep": "^2.0.0",
-            "mute-stdout": "^1.0.0",
-            "pretty-hrtime": "^1.0.0",
-            "replace-homedir": "^1.0.0",
-            "semver-greatest-satisfied-range": "^1.1.0",
-            "v8flags": "^3.0.1",
-            "yargs": "^7.1.0"
-          }
-        },
-        "os-locale": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
-          "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
-          "dev": true,
-          "requires": {
-            "lcid": "^1.0.0"
-          }
-        },
-        "which-module": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-          "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-          "dev": true
-        },
-        "yargs": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
-          "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^3.0.0",
-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^1.0.2",
-            "which-module": "^1.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^5.0.0"
-          }
-        },
-        "yargs-parser": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-          "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^3.0.0"
-          }
-        }
-      }
-    },
-    "gulplog": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/gulplog/-/gulplog-1.0.0.tgz",
-      "integrity": "sha1-4oxNRdBey77YGDY86PnFkmIp/+U=",
-      "dev": true,
-      "requires": {
-        "glogg": "^1.0.0"
-      }
-    },
     "handlebars": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.4.2.tgz",
+      "integrity": "sha512-cIv17+GhL8pHHnRJzGu2wwcthL5sb8uDKBHvZ2Dtu5s1YNt0ljbzKbamnc+gr69y7bzwQiBdr5+hOpRd5pnOdg==",
       "dev": true,
       "requires": {
         "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
         "source-map": "^0.6.1",
         "uglify-js": "^3.1.4"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "har-schema": {
@@ -7912,19 +6026,10 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
-    "homedir-polyfill": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz",
-      "integrity": "sha512-eSmmWE5bZTK2Nou4g0AI3zZ9rswp7GRKoKXS1BLUkvPviOqs4YTN1djQIqrXy9k5gEtdLPy86JjRwsNM9tnDcA==",
-      "dev": true,
-      "requires": {
-        "parse-passwd": "^1.0.0"
-      }
-    },
     "hosted-git-info": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.5.0.tgz",
-      "integrity": "sha512-pNgbURSuab90KbTqvRPsseaTxOJCZBD0a7t+haSN33piP9cCM4l0CqdzAif2hUqm716UovKB2ROmiabGAKVXyg==",
+      "version": "2.8.4",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.4.tgz",
+      "integrity": "sha512-pzXIvANXEFrc5oFFXRMkbLPQ2rXRoDERwDLyrcUxGhaZhgP54BBSl9Oheh7Vv0T090cszWBxPjkQQ5Sq1PbBRQ==",
       "dev": true
     },
     "http-cache-semantics": {
@@ -7999,10 +6104,13 @@
       }
     },
     "iconv-lite": {
-      "version": "0.4.18",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.18.tgz",
-      "integrity": "sha512-sr1ZQph3UwHTR0XftSbK85OvBbxe/abLGzEnPENCQwmHf7sck8Oyu4ob3LgBxWWxRoM+QszeUyl7jbqapu2TqA==",
-      "dev": true
+      "version": "0.4.24",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+      "dev": true,
+      "requires": {
+        "safer-buffer": ">= 2.1.2 < 3"
+      }
     },
     "idna-uts46-hx": {
       "version": "2.3.1",
@@ -8028,9 +6136,9 @@
       "dev": true
     },
     "ignore": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.7.tgz",
-      "integrity": "sha512-YGG3ejvBNHRqu0559EOxxNFihD0AjpvHlC/pdGKd3X3ofe+CoJkYazwNJYTNebqpPKN+VVQbh4ZFn1DivMNuHA==",
+      "version": "3.3.10",
+      "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.10.tgz",
+      "integrity": "sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==",
       "dev": true
     },
     "ignore-by-default": {
@@ -8134,48 +6242,6 @@
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
-        "ansi-styles": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
-          "integrity": "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.0.tgz",
-          "integrity": "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.1.0",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^4.0.0"
-          }
-        },
-        "has-flag": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
-          "dev": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -8184,15 +6250,6 @@
           "requires": {
             "ansi-regex": "^3.0.0"
           }
-        },
-        "supports-color": {
-          "version": "4.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
-          "dev": true,
-          "requires": {
-            "has-flag": "^2.0.0"
-          }
         }
       }
     },
@@ -8203,9 +6260,9 @@
       "dev": true
     },
     "invert-kv": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
-      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
+      "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
       "dev": true
     },
     "ipaddr.js": {
@@ -8214,16 +6271,6 @@
       "integrity": "sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==",
       "dev": true
     },
-    "is-absolute": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-1.0.0.tgz",
-      "integrity": "sha512-dOWoqflvcydARa360Gvv18DZ/gRuHKi2NU/wU5X1ZFzdYfH29nkiNZsF3mp4OJ3H4yo9Mx8A/uAGNzpzPN3yBA==",
-      "dev": true,
-      "requires": {
-        "is-relative": "^1.0.0",
-        "is-windows": "^1.0.1"
-      }
-    },
     "is-accessor-descriptor": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
@@ -8265,15 +6312,6 @@
       "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
       "dev": true
     },
-    "is-builtin-module": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
-      "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
-      "dev": true,
-      "requires": {
-        "builtin-modules": "^1.0.0"
-      }
-    },
     "is-callable": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
@@ -8353,13 +6391,10 @@
       "dev": true
     },
     "is-fullwidth-code-point": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-      "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-      "dev": true,
-      "requires": {
-        "number-is-nan": "^1.0.0"
-      }
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+      "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+      "dev": true
     },
     "is-function": {
       "version": "1.0.1",
@@ -8398,12 +6433,6 @@
       "integrity": "sha1-q5124dtM7VHjXeDHLr7PCfc0zeg=",
       "dev": true
     },
-    "is-negated-glob": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-negated-glob/-/is-negated-glob-1.0.0.tgz",
-      "integrity": "sha1-aRC8pdqMleeEtXUbl2z1oQ/uNtI=",
-      "dev": true
-    },
     "is-npm": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-npm/-/is-npm-1.0.0.tgz",
@@ -8428,21 +6457,6 @@
       "integrity": "sha1-iVJojF7C/9awPsyF52ngKQMINHA=",
       "dev": true
     },
-    "is-path-cwd": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-1.0.0.tgz",
-      "integrity": "sha1-0iXsIxMuie3Tj9p2dHLmLmXxEG0=",
-      "dev": true
-    },
-    "is-path-in-cwd": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-path-in-cwd/-/is-path-in-cwd-1.0.1.tgz",
-      "integrity": "sha512-FjV1RTW48E7CWM7eE/J2NJvAEEVektecDBVBE5Hh3nM1Jd0kvhHtX68Pr3xsDf857xt3Y4AkwVULK1Vku62aaQ==",
-      "dev": true,
-      "requires": {
-        "is-path-inside": "^1.0.0"
-      }
-    },
     "is-path-inside": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-1.0.1.tgz",
@@ -8494,15 +6508,6 @@
       "integrity": "sha512-OZ4IlER3zmRIoB9AqNhEggVxqIH4ofDns5nRrPS6yQxXE1TPCUpFznBfRQmQa8uC+pXqjMnukiJBxCisIxiLGA==",
       "dev": true
     },
-    "is-relative": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-1.0.0.tgz",
-      "integrity": "sha512-Kw/ReK0iqwKeu0MITLFuj0jbPAmEiOsIwyIXvvbfa6QfmN9pkD1M+8pdk7Rl/dTKbH34/XBFMbgD4iMJhLQbGA==",
-      "dev": true,
-      "requires": {
-        "is-unc-path": "^1.0.0"
-      }
-    },
     "is-resolvable": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.1.0.tgz",
@@ -8536,27 +6541,12 @@
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
       "dev": true
     },
-    "is-unc-path": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-unc-path/-/is-unc-path-1.0.0.tgz",
-      "integrity": "sha512-mrGpVd0fs7WWLfVsStvgF6iEJnbjDFZh9/emhRDcGWTduTfNHd9CHeUwH3gYIjdbwo4On6hunkztwOaAw0yllQ==",
-      "dev": true,
-      "requires": {
-        "unc-path-regex": "^0.1.2"
-      }
-    },
     "is-utf8": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-utf8/-/is-utf8-0.2.1.tgz",
       "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=",
       "dev": true
     },
-    "is-valid-glob": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-valid-glob/-/is-valid-glob-1.0.0.tgz",
-      "integrity": "sha1-Kb8+/3Ab4tTTFdusw5vDn+j2Aao=",
-      "dev": true
-    },
     "is-windows": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.2.tgz",
@@ -8609,6 +6599,12 @@
         "wordwrap": "^1.0.0"
       },
       "dependencies": {
+        "abbrev": {
+          "version": "1.0.9",
+          "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+          "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+          "dev": true
+        },
         "glob": {
           "version": "5.0.15",
           "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
@@ -8628,6 +6624,15 @@
           "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
           "dev": true
         },
+        "nopt": {
+          "version": "3.0.6",
+          "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
+          "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+          "dev": true,
+          "requires": {
+            "abbrev": "1"
+          }
+        },
         "resolve": {
           "version": "1.1.7",
           "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
@@ -8728,10 +6733,27 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
       "dev": true
     },
+    "json5": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.1.tgz",
+      "integrity": "sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==",
+      "dev": true,
+      "requires": {
+        "minimist": "^1.2.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "jsonfile": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-      "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.6"
@@ -8749,12 +6771,6 @@
         "verror": "1.10.0"
       }
     },
-    "just-debounce": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/just-debounce/-/just-debounce-1.0.0.tgz",
-      "integrity": "sha1-h/zPrv/AtozRnVX2cilD+SnqNeo=",
-      "dev": true
-    },
     "keccak": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
@@ -8801,16 +6817,6 @@
         "graceful-fs": "^4.1.9"
       }
     },
-    "last-run": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/last-run/-/last-run-1.1.1.tgz",
-      "integrity": "sha1-RblpQsF7HHnHchmCWbqUO+v4yls=",
-      "dev": true,
-      "requires": {
-        "default-resolution": "^2.0.0",
-        "es6-weak-map": "^2.0.1"
-      }
-    },
     "latest-version": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/latest-version/-/latest-version-3.1.0.tgz",
@@ -8820,31 +6826,13 @@
         "package-json": "^4.0.0"
       }
     },
-    "lazystream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/lazystream/-/lazystream-1.0.0.tgz",
-      "integrity": "sha1-9plf4PggOS9hOWvolGJAe7dxaOQ=",
-      "dev": true,
-      "requires": {
-        "readable-stream": "^2.0.5"
-      }
-    },
     "lcid": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
-      "integrity": "sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
+      "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
       "dev": true,
       "requires": {
-        "invert-kv": "^1.0.0"
-      }
-    },
-    "lead": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/lead/-/lead-1.0.0.tgz",
-      "integrity": "sha1-bxT5mje+Op3XhPVJVpDlkDRm7kI=",
-      "dev": true,
-      "requires": {
-        "flush-write-stream": "^1.0.2"
+        "invert-kv": "^2.0.0"
       }
     },
     "levn": {
@@ -8857,35 +6845,27 @@
         "type-check": "~0.3.2"
       }
     },
-    "liftoff": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/liftoff/-/liftoff-3.1.0.tgz",
-      "integrity": "sha512-DlIPlJUkCV0Ips2zf2pJP0unEoT1kwYhiiPUGF3s/jtxTCjziNLoiVVh+jqWOWeFi6mmwQ5fNxvAUyPad4Dfog==",
-      "dev": true,
-      "requires": {
-        "extend": "^3.0.0",
-        "findup-sync": "^3.0.0",
-        "fined": "^1.0.1",
-        "flagged-respawn": "^1.0.0",
-        "is-plain-object": "^2.0.4",
-        "object.map": "^1.0.0",
-        "rechoir": "^0.6.2",
-        "resolve": "^1.1.7"
-      }
-    },
     "load-json-file": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
-      "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.2",
         "parse-json": "^2.2.0",
         "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0",
-        "strip-bom": "^2.0.0"
+        "strip-bom": "^3.0.0"
       },
       "dependencies": {
+        "parse-json": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
+          "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.2.0"
+          }
+        },
         "pify": {
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -8895,27 +6875,19 @@
       }
     },
     "locate-path": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
-      "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+      "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
       "dev": true,
       "requires": {
-        "p-locate": "^2.0.0",
+        "p-locate": "^3.0.0",
         "path-exists": "^3.0.0"
-      },
-      "dependencies": {
-        "path-exists": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
-          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
-          "dev": true
-        }
       }
     },
     "lodash": {
-      "version": "4.17.14",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
-      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==",
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
       "dev": true
     },
     "lodash._reinterpolate": {
@@ -8970,15 +6942,6 @@
         "pify": "^3.0.0"
       }
     },
-    "make-iterator": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/make-iterator/-/make-iterator-1.0.1.tgz",
-      "integrity": "sha512-pxiuXh0iVEq7VM7KMIhs5gxsfxCux2URptUQaXo4iZZJxBAzTPOLE2BumO5dbfVYq/hBJFBR/a1mFDmOx5AGmw==",
-      "dev": true,
-      "requires": {
-        "kind-of": "^6.0.2"
-      }
-    },
     "map-age-cleaner": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
@@ -9003,144 +6966,6 @@
         "object-visit": "^1.0.0"
       }
     },
-    "matchdep": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/matchdep/-/matchdep-2.0.0.tgz",
-      "integrity": "sha1-xvNINKDY28OzfCfui7yyfHd1WC4=",
-      "dev": true,
-      "requires": {
-        "findup-sync": "^2.0.0",
-        "micromatch": "^3.0.4",
-        "resolve": "^1.4.0",
-        "stack-trace": "0.0.10"
-      },
-      "dependencies": {
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-          "dev": true,
-          "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "fill-range": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
-            "to-regex-range": "^2.1.0"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "findup-sync": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/findup-sync/-/findup-sync-2.0.0.tgz",
-          "integrity": "sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=",
-          "dev": true,
-          "requires": {
-            "detect-file": "^1.0.0",
-            "is-glob": "^3.1.0",
-            "micromatch": "^3.0.4",
-            "resolve-dir": "^1.0.1"
-          }
-        },
-        "is-glob": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
-          "integrity": "sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=",
-          "dev": true,
-          "requires": {
-            "is-extglob": "^2.1.0"
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
-        },
-        "micromatch": {
-          "version": "3.1.10",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
-        },
-        "to-regex-range": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-          "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
-          "dev": true,
-          "requires": {
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1"
-          }
-        }
-      }
-    },
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -9167,12 +6992,14 @@
       "dev": true
     },
     "mem": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/mem/-/mem-1.1.0.tgz",
-      "integrity": "sha1-Xt1StIXKHZAP5kiVUFOZoN+kX3Y=",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/mem/-/mem-4.3.0.tgz",
+      "integrity": "sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==",
       "dev": true,
       "requires": {
-        "mimic-fn": "^1.0.0"
+        "map-age-cleaner": "^0.1.1",
+        "mimic-fn": "^2.0.0",
+        "p-is-promise": "^2.0.0"
       }
     },
     "memorystream": {
@@ -9188,9 +7015,9 @@
       "dev": true
     },
     "merge2": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.2.3.tgz",
-      "integrity": "sha512-gdUU1Fwj5ep4kplwcmftruWofEFt6lfpkkr3h860CXbAB9c3hGb55EOL2ali0Td5oebvW0E1+3Sr+Ur7XfKpRA==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.3.0.tgz",
+      "integrity": "sha512-2j4DAdlBOkiSZIsaXk4mTE3sRS02yBHAtfy127xRV3bQUFqXkjHCHLW6Scv7DwNRbIWNHH8zpnz9zMaKXIdvYw==",
       "dev": true
     },
     "methods": {
@@ -9241,9 +7068,9 @@
       }
     },
     "mimic-fn": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.1.0.tgz",
-      "integrity": "sha1-5md4PZLonb00KBi1IwudYqZyrRg=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
+      "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
       "dev": true
     },
     "mimic-response": {
@@ -9322,9 +7149,9 @@
       }
     },
     "mixin-deep": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
-      "integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
+      "integrity": "sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==",
       "dev": true,
       "requires": {
         "for-in": "^1.0.2",
@@ -9378,6 +7205,12 @@
         "supports-color": "4.4.0"
       },
       "dependencies": {
+        "commander": {
+          "version": "2.11.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
+          "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+          "dev": true
+        },
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -9385,13 +7218,6 @@
           "dev": true,
           "requires": {
             "ms": "2.0.0"
-          },
-          "dependencies": {
-            "escape-string-regexp": {
-              "version": "1.0.5",
-              "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-              "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
-            }
           }
         },
         "has-flag": {
@@ -9423,12 +7249,6 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
-    "mute-stdout": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/mute-stdout/-/mute-stdout-1.0.1.tgz",
-      "integrity": "sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg==",
-      "dev": true
-    },
     "mute-stream": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
@@ -9479,9 +7299,9 @@
       "dev": true
     },
     "neo-async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz",
-      "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
       "dev": true
     },
     "next-tick": {
@@ -9491,15 +7311,15 @@
       "dev": true
     },
     "nice-try": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.4.tgz",
-      "integrity": "sha512-2NpiFHqC87y/zFke0fC0spBXL3bBsoh/p5H1EFhshxjCR5+0g2d6BiXbUFz9v1sAcxsk2htp2eQnNIci2dIYcA==",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
       "dev": true
     },
     "nodemon": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-1.19.0.tgz",
-      "integrity": "sha512-NHKpb/Je0Urmwi3QPDHlYuFY9m1vaVfTsRZG5X73rY46xPj0JpNe8WhUGQdkDXQDOxrBNIU3JrcflE9Y44EcuA==",
+      "version": "1.19.3",
+      "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-1.19.3.tgz",
+      "integrity": "sha512-TBNKRmJykEbxpTniZBusqRrUTHIEqa2fpecbTQDQj1Gxjth7kKAPP296ztR0o5gPUWsiYbuEbt73/+XMYab1+w==",
       "dev": true,
       "requires": {
         "chokidar": "^2.1.5",
@@ -9524,15 +7344,15 @@
           }
         },
         "ms": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
           "dev": true
         },
         "semver": {
-          "version": "5.7.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
           "dev": true
         },
         "supports-color": {
@@ -9547,24 +7367,41 @@
       }
     },
     "nopt": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
-      "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-1.0.10.tgz",
+      "integrity": "sha1-bd0hvSoxQXuScn3Vhfim83YI6+4=",
       "dev": true,
       "requires": {
         "abbrev": "1"
       }
     },
     "normalize-package-data": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
-      "integrity": "sha512-9jjUFbTPfEy3R/ad/2oNbKtW9Hgovl5O1FvFWKkKblNXoN/Oou6+9+KKohPK13Yc3/TyunyWhJp6gvRNR/PPAw==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
+      "integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
       "dev": true,
       "requires": {
         "hosted-git-info": "^2.1.4",
-        "is-builtin-module": "^1.0.0",
+        "resolve": "^1.10.0",
         "semver": "2 || 3 || 4 || 5",
         "validate-npm-package-license": "^3.0.1"
+      },
+      "dependencies": {
+        "path-parse": {
+          "version": "1.0.6",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+          "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+          "dev": true
+        },
+        "resolve": {
+          "version": "1.12.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
+          "integrity": "sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        }
       }
     },
     "normalize-path": {
@@ -9579,15 +7416,6 @@
       "integrity": "sha512-0NLtR71o4k6GLP+mr6Ty34c5GA6CMoEsncKJxvQd8NzPxaHRJNnb5gZE8R1XF4CPIS7QPHLJ74IFszwtNVAHVQ==",
       "dev": true
     },
-    "now-and-later": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/now-and-later/-/now-and-later-2.0.1.tgz",
-      "integrity": "sha512-KGvQ0cB70AQfg107Xvs/Fbu+dGmZoTRJp2TaPwcwQm3/7PteUyN2BCgk8KBMPGBUXZdVwyWS8fDCGFygBm19UQ==",
-      "dev": true,
-      "requires": {
-        "once": "^1.3.2"
-      }
-    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -9679,48 +7507,6 @@
         "isobject": "^3.0.0"
       }
     },
-    "object.assign": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.0.tgz",
-      "integrity": "sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.2",
-        "function-bind": "^1.1.1",
-        "has-symbols": "^1.0.0",
-        "object-keys": "^1.0.11"
-      },
-      "dependencies": {
-        "function-bind": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-          "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
-          "dev": true
-        }
-      }
-    },
-    "object.defaults": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/object.defaults/-/object.defaults-1.1.0.tgz",
-      "integrity": "sha1-On+GgzS0B96gbaFtiNXNKeQ1/s8=",
-      "dev": true,
-      "requires": {
-        "array-each": "^1.0.1",
-        "array-slice": "^1.0.0",
-        "for-own": "^1.0.0",
-        "isobject": "^3.0.0"
-      }
-    },
-    "object.map": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/object.map/-/object.map-1.0.1.tgz",
-      "integrity": "sha1-z4Plncj8wK1fQlDh94s7gb2AHTc=",
-      "dev": true,
-      "requires": {
-        "for-own": "^1.0.0",
-        "make-iterator": "^1.0.0"
-      }
-    },
     "object.pick": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
@@ -9730,14 +7516,33 @@
         "isobject": "^3.0.1"
       }
     },
-    "object.reduce": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/object.reduce/-/object.reduce-1.0.1.tgz",
-      "integrity": "sha1-b+NI8qx/oPlcpiEiZZkJaCW7A60=",
+    "object.values": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/object.values/-/object.values-1.1.0.tgz",
+      "integrity": "sha512-8mf0nKLAoFX6VlNVdhGj31SVYpaNFtUnuoOXWyFEstsWRgU837AK+JYM0iAxwkSzGRbwn8cbFmgbyxj1j4VbXg==",
       "dev": true,
       "requires": {
-        "for-own": "^1.0.0",
-        "make-iterator": "^1.0.0"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.12.0",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3"
+      },
+      "dependencies": {
+        "function-bind": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+          "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
+          "dev": true
+        },
+        "has": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
+          "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
+          "dev": true,
+          "requires": {
+            "function-bind": "^1.1.1"
+          }
+        }
       }
     },
     "oboe": {
@@ -9774,6 +7579,14 @@
       "dev": true,
       "requires": {
         "mimic-fn": "^1.0.0"
+      },
+      "dependencies": {
+        "mimic-fn": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+          "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
+          "dev": true
+        }
       }
     },
     "opener": {
@@ -9783,9 +7596,9 @@
       "dev": true
     },
     "openzeppelin-test-helpers": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/openzeppelin-test-helpers/-/openzeppelin-test-helpers-0.4.2.tgz",
-      "integrity": "sha512-caXWi1LMeIwgUozuxfbOd77m6MP26+YOH/Klvm65jXBgtAqzLXyUZPy1ucCu466qsNmgcqKer/z1ekIAPud6Yg==",
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/openzeppelin-test-helpers/-/openzeppelin-test-helpers-0.4.3.tgz",
+      "integrity": "sha512-ln5Exl5fciLIKIUZ6yX6Q2kO/XMQLhNh8G/uEcVfIPZCl/Q0z64ayqZZmsQLGJx1HpSZS27XjC5d48PjX72eEw==",
       "dev": true,
       "requires": {
         "ansi-colors": "^3.2.3",
@@ -9796,10 +7609,16 @@
         "web3-utils": "^1.2.0"
       },
       "dependencies": {
+        "chai-bn": {
+          "version": "0.1.1",
+          "resolved": "https://registry.npmjs.org/chai-bn/-/chai-bn-0.1.1.tgz",
+          "integrity": "sha512-e1npVXt3cQfZ6oQET9oP38vNj/4HeJ4ojeUpuC8YzhVbTJpIDqANVt7TKi7Dq9yKlHySk2FqbmiMih35iT4DYg==",
+          "dev": true
+        },
         "semver": {
-          "version": "5.7.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
           "dev": true
         }
       }
@@ -9836,15 +7655,6 @@
         "wordwrap": "~1.0.0"
       }
     },
-    "ordered-read-streams": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz",
-      "integrity": "sha1-d8DLN8QVJdZBZtmQ/61+xqDhNj4=",
-      "dev": true,
-      "requires": {
-        "readable-stream": "^2.0.1"
-      }
-    },
     "original-require": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/original-require/-/original-require-1.0.1.tgz",
@@ -9852,14 +7662,14 @@
       "dev": true
     },
     "os-locale": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz",
-      "integrity": "sha512-3sslG3zJbEYcaC4YVAvDorjGxc7tv6KVATnLPZONiljsUncvihe9BQoVCEs0RZ1kmf4Hk9OBqlZfJZWI4GanKA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
+      "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
       "dev": true,
       "requires": {
-        "execa": "^0.7.0",
-        "lcid": "^1.0.0",
-        "mem": "^1.1.0"
+        "execa": "^1.0.0",
+        "lcid": "^2.0.0",
+        "mem": "^4.0.0"
       }
     },
     "os-tmpdir": {
@@ -9893,18 +7703,21 @@
       "dev": true
     },
     "p-limit": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.1.0.tgz",
-      "integrity": "sha1-sH/y2aXYi+yAYDWJWiurZqJ5iLw=",
-      "dev": true
-    },
-    "p-locate": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
-      "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.1.tgz",
+      "integrity": "sha512-85Tk+90UCVWvbDavCLKPOLC9vvY8OwEX/RtKF+/1OADJMVlFfEHOiMTPVyxg7mk/dKa+ipdHm0OUkTvCpMTuwg==",
       "dev": true,
       "requires": {
-        "p-limit": "^1.1.0"
+        "p-try": "^2.0.0"
+      }
+    },
+    "p-locate": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+      "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+      "dev": true,
+      "requires": {
+        "p-limit": "^2.0.0"
       }
     },
     "p-timeout": {
@@ -9986,17 +7799,6 @@
         "safe-buffer": "^5.1.1"
       }
     },
-    "parse-filepath": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.2.tgz",
-      "integrity": "sha1-pjISf1Oq89FYdvWHLz/6x2PWyJE=",
-      "dev": true,
-      "requires": {
-        "is-absolute": "^1.0.0",
-        "map-cache": "^0.2.0",
-        "path-root": "^0.1.1"
-      }
-    },
     "parse-headers": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/parse-headers/-/parse-headers-2.0.2.tgz",
@@ -10008,26 +7810,15 @@
       }
     },
     "parse-json": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
-      "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+      "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
       "dev": true,
       "requires": {
-        "error-ex": "^1.2.0"
+        "error-ex": "^1.3.1",
+        "json-parse-better-errors": "^1.0.1"
       }
     },
-    "parse-node-version": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/parse-node-version/-/parse-node-version-1.0.1.tgz",
-      "integrity": "sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==",
-      "dev": true
-    },
-    "parse-passwd": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/parse-passwd/-/parse-passwd-1.0.0.tgz",
-      "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
-      "dev": true
-    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -10047,13 +7838,10 @@
       "dev": true
     },
     "path-exists": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-2.1.0.tgz",
-      "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
-      "dev": true,
-      "requires": {
-        "pinkie-promise": "^2.0.0"
-      }
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+      "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+      "dev": true
     },
     "path-is-absolute": {
       "version": "1.0.1",
@@ -10079,21 +7867,6 @@
       "integrity": "sha1-PBrfhx6pzWyUMbbqK9dKD/BVxME=",
       "dev": true
     },
-    "path-root": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/path-root/-/path-root-0.1.1.tgz",
-      "integrity": "sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=",
-      "dev": true,
-      "requires": {
-        "path-root-regex": "^0.1.0"
-      }
-    },
-    "path-root-regex": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/path-root-regex/-/path-root-regex-0.1.2.tgz",
-      "integrity": "sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=",
-      "dev": true
-    },
     "path-to-regexp": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
@@ -10101,14 +7874,12 @@
       "dev": true
     },
     "path-type": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
-      "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
+      "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
       "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.2",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
+        "pify": "^2.0.0"
       },
       "dependencies": {
         "pify": {
@@ -10184,12 +7955,57 @@
       }
     },
     "pkg-dir": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-1.0.0.tgz",
-      "integrity": "sha1-ektQio1bstYp1EcFb/TpyTFM89Q=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
+      "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
       "dev": true,
       "requires": {
-        "find-up": "^1.0.0"
+        "find-up": "^2.1.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        }
       }
     },
     "pluralize": {
@@ -10228,18 +8044,12 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.17.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.17.1.tgz",
-      "integrity": "sha512-TzGRNvuUSmPgwivDqkZ9tM/qTGW9hqDKWOE9YHiyQdixlKbv7kvEqsmDPrcHJTKwthU774TQwZXVtaQ/mMsvjg==",
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
+      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
       "dev": true,
       "optional": true
     },
-    "pretty-hrtime": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
-      "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=",
-      "dev": true
-    },
     "process": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/process/-/process-0.5.2.tgz",
@@ -10253,9 +8063,9 @@
       "dev": true
     },
     "progress": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
-      "integrity": "sha1-ihvjZr+Pwj2yvSPxDG/pILQ4nR8=",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
+      "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
       "dev": true
     },
     "proxy-addr": {
@@ -10275,9 +8085,9 @@
       "dev": true
     },
     "pstree.remy": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.6.tgz",
-      "integrity": "sha512-NdF35+QsqD7EgNEI5mkI/X+UwaxVEbQaz9f4IooEmMUv6ZPmlTQYGjBPJGgrlzNdjSvIy4MWMg6Q6vCgBO2K+w==",
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.7.tgz",
+      "integrity": "sha512-xsMgrUwRpuGskEzBFkH8NmTimbZ5PcPup0LA8JJkHIm2IMUbQcpo3yeLNWVrufEYjh8YwtSVh0xz6UeWc5Oh5A==",
       "dev": true
     },
     "public-encrypt": {
@@ -10312,29 +8122,6 @@
         "once": "^1.3.1"
       }
     },
-    "pumpify": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-1.5.1.tgz",
-      "integrity": "sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==",
-      "dev": true,
-      "requires": {
-        "duplexify": "^3.6.0",
-        "inherits": "^2.0.3",
-        "pump": "^2.0.0"
-      },
-      "dependencies": {
-        "pump": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
-          "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
-          "dev": true,
-          "requires": {
-            "end-of-stream": "^1.1.0",
-            "once": "^1.3.1"
-          }
-        }
-      }
-    },
     "punycode": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
@@ -10433,24 +8220,80 @@
       }
     },
     "read-pkg": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
-      "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-4.0.1.tgz",
+      "integrity": "sha1-ljYlN48+HE1IyFhytabsfV0JMjc=",
       "dev": true,
       "requires": {
-        "load-json-file": "^1.0.0",
         "normalize-package-data": "^2.3.2",
-        "path-type": "^1.0.0"
+        "parse-json": "^4.0.0",
+        "pify": "^3.0.0"
       }
     },
     "read-pkg-up": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
-      "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
+      "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
       "dev": true,
       "requires": {
-        "find-up": "^1.0.0",
-        "read-pkg": "^1.0.0"
+        "find-up": "^2.0.0",
+        "read-pkg": "^2.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
+          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^2.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^2.0.0"
+          }
+        }
       }
     },
     "readable-stream": {
@@ -10634,27 +8477,6 @@
         "rc": "^1.0.1"
       }
     },
-    "remove-bom-buffer": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz",
-      "integrity": "sha512-8v2rWhaakv18qcvNeli2mZ/TMTL2nEyAKRvzo1WtnZBl15SHyEhrCu2/xKlJyUFKHiHgfXIyuY6g2dObJJycXQ==",
-      "dev": true,
-      "requires": {
-        "is-buffer": "^1.1.5",
-        "is-utf8": "^0.2.1"
-      }
-    },
-    "remove-bom-stream": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz",
-      "integrity": "sha1-BfGlk/FuQuH7kOv1nejlaVJflSM=",
-      "dev": true,
-      "requires": {
-        "remove-bom-buffer": "^3.0.0",
-        "safe-buffer": "^5.1.0",
-        "through2": "^2.0.3"
-      }
-    },
     "remove-trailing-separator": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
@@ -10673,23 +8495,6 @@
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
       "dev": true
     },
-    "replace-ext": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-1.0.0.tgz",
-      "integrity": "sha1-3mMSg3P8v3w8z6TeWkgMRaZ5WOs=",
-      "dev": true
-    },
-    "replace-homedir": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/replace-homedir/-/replace-homedir-1.0.0.tgz",
-      "integrity": "sha1-6H9tUTuSjd6AgmDBK+f+xv9ueYw=",
-      "dev": true,
-      "requires": {
-        "homedir-polyfill": "^1.0.1",
-        "is-absolute": "^1.0.0",
-        "remove-trailing-separator": "^1.1.0"
-      }
-    },
     "req-cwd": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/req-cwd/-/req-cwd-1.0.1.tgz",
@@ -10793,31 +8598,12 @@
         "path-parse": "^1.0.5"
       }
     },
-    "resolve-dir": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-1.0.1.tgz",
-      "integrity": "sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=",
-      "dev": true,
-      "requires": {
-        "expand-tilde": "^2.0.0",
-        "global-modules": "^1.0.0"
-      }
-    },
     "resolve-from": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz",
       "integrity": "sha1-Jsv+k10a7uq7Kbw/5a6wHpPUQiY=",
       "dev": true
     },
-    "resolve-options": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/resolve-options/-/resolve-options-1.1.0.tgz",
-      "integrity": "sha1-MrueOcBtZzONyTeMDW1gdFZq0TE=",
-      "dev": true,
-      "requires": {
-        "value-or-function": "^3.0.0"
-      }
-    },
     "resolve-url": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
@@ -10849,13 +8635,35 @@
       "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==",
       "dev": true
     },
+    "reusify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
+      "dev": true
+    },
     "rimraf": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.1.tgz",
-      "integrity": "sha1-wjOOxkPfeht/5cVPqG9XQopV8z0=",
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
       "dev": true,
       "requires": {
-        "glob": "^7.0.5"
+        "glob": "^7.1.3"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.4",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
+          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        }
       }
     },
     "ripemd160": {
@@ -10869,11 +8677,12 @@
       }
     },
     "rlp": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.1.0.tgz",
-      "integrity": "sha512-93U7IKH5j7nmXFVg19MeNBGzQW5uXW1pmCuKY8veeKIhYTE32C2d0mOegfiIAfXcHOKJjjPlJisn8iHDF5AezA==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.3.tgz",
+      "integrity": "sha512-l6YVrI7+d2vpW6D6rS05x2Xrmq8oW7v3pieZOJKBEdjuTF4Kz/iwk55Zyh1Zaz+KOB2kC8+2jZlp2u9L4tTzCQ==",
       "dev": true,
       "requires": {
+        "bn.js": "^4.11.1",
         "safe-buffer": "^5.1.1"
       }
     },
@@ -10886,6 +8695,12 @@
         "is-promise": "^2.1.0"
       }
     },
+    "run-parallel": {
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz",
+      "integrity": "sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==",
+      "dev": true
+    },
     "rx-lite": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
@@ -10902,9 +8717,9 @@
       }
     },
     "rxjs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.2.tgz",
-      "integrity": "sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+      "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
       "dev": true,
       "requires": {
         "tslib": "^1.9.0"
@@ -10955,31 +8770,68 @@
       "requires": {
         "scrypt": "^6.0.2",
         "scryptsy": "^1.2.1"
+      },
+      "dependencies": {
+        "scryptsy": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-1.2.1.tgz",
+          "integrity": "sha1-oyJfpLJST4AnAHYeKFW987LZIWM=",
+          "dev": true,
+          "requires": {
+            "pbkdf2": "^3.0.3"
+          }
+        }
       }
     },
     "scryptsy": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-1.2.1.tgz",
-      "integrity": "sha1-oyJfpLJST4AnAHYeKFW987LZIWM=",
-      "dev": true,
-      "requires": {
-        "pbkdf2": "^3.0.3"
-      }
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-2.1.0.tgz",
+      "integrity": "sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==",
+      "dev": true
     },
     "secp256k1": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.5.2.tgz",
-      "integrity": "sha512-iin3kojdybY6NArd+UFsoTuapOF7bnJNf2UbcWXaY3z+E1sJDipl60vtzB5hbO/uquBu7z0fd4VC4Irp+xoFVQ==",
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.7.1.tgz",
+      "integrity": "sha512-1cf8sbnRreXrQFdH6qsg2H71Xw91fCCS9Yp021GnUNJzWJS/py96fS4lHbnTnouLp08Xj6jBoBB6V78Tdbdu5g==",
       "dev": true,
       "requires": {
-        "bindings": "^1.2.1",
-        "bip66": "^1.1.3",
-        "bn.js": "^4.11.3",
-        "create-hash": "^1.1.2",
+        "bindings": "^1.5.0",
+        "bip66": "^1.1.5",
+        "bn.js": "^4.11.8",
+        "create-hash": "^1.2.0",
         "drbg.js": "^1.0.1",
-        "elliptic": "^6.2.3",
-        "nan": "^2.2.1",
-        "safe-buffer": "^5.1.0"
+        "elliptic": "^6.4.1",
+        "nan": "^2.14.0",
+        "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.1",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
+          "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.4.0",
+            "brorand": "^1.0.1",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.0",
+            "inherits": "^2.0.1",
+            "minimalistic-assert": "^1.0.0",
+            "minimalistic-crypto-utils": "^1.0.0"
+          }
+        },
+        "nan": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+          "dev": true
+        },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
+          "dev": true
+        }
       }
     },
     "seek-bzip": {
@@ -11017,15 +8869,6 @@
         "semver": "^5.0.3"
       }
     },
-    "semver-greatest-satisfied-range": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz",
-      "integrity": "sha1-E+jCZYq5aRywzXEJMkAoDTb3els=",
-      "dev": true,
-      "requires": {
-        "sver-compat": "^1.5.0"
-      }
-    },
     "send": {
       "version": "0.17.1",
       "resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
@@ -11087,9 +8930,9 @@
       "dev": true
     },
     "set-value": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
-      "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
+      "integrity": "sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==",
       "dev": true,
       "requires": {
         "extend-shallow": "^2.0.1",
@@ -11190,9 +9033,9 @@
       }
     },
     "slash": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/slash/-/slash-2.0.0.tgz",
-      "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
+      "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
       "dev": true
     },
     "sleep-promise": {
@@ -11208,14 +9051,6 @@
       "dev": true,
       "requires": {
         "is-fullwidth-code-point": "^2.0.0"
-      },
-      "dependencies": {
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        }
       }
     },
     "snapdragon": {
@@ -11251,12 +9086,6 @@
           "requires": {
             "is-extendable": "^0.1.0"
           }
-        },
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
         }
       }
     },
@@ -11338,24 +9167,142 @@
       "dev": true
     },
     "solc": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/solc/-/solc-0.5.0.tgz",
-      "integrity": "sha512-mdLHDl9WeYrN+FIKcMc9PlPfnA9DG9ur5QpCDKcv6VC4RINAsTF4EMuXMZMKoQTvZhtLyJIVH/BZ+KU830Z8Xg==",
+      "version": "0.5.12",
+      "resolved": "https://registry.npmjs.org/solc/-/solc-0.5.12.tgz",
+      "integrity": "sha512-OX/AGZT04tuUsagoVXSZBiBZYJReA02hdwZOfRkB03/eeYP9Dl3pr+M+au+1MhssgiuWBlFPN7sRXFiqwkAW2g==",
       "dev": true,
       "requires": {
+        "command-exists": "^1.2.8",
         "fs-extra": "^0.30.0",
-        "keccak": "^1.0.2",
+        "js-sha3": "0.8.0",
         "memorystream": "^0.3.1",
         "require-from-string": "^2.0.0",
         "semver": "^5.5.0",
-        "yargs": "^11.0.0"
+        "tmp": "0.0.33",
+        "yargs": "^13.2.0"
       },
       "dependencies": {
-        "semver": {
-          "version": "5.7.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
+        },
+        "cliui": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+          "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
+          "dev": true,
+          "requires": {
+            "string-width": "^3.1.0",
+            "strip-ansi": "^5.2.0",
+            "wrap-ansi": "^5.1.0"
+          }
+        },
+        "fs-extra": {
+          "version": "0.30.0",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
+          "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^2.1.0",
+            "klaw": "^1.0.0",
+            "path-is-absolute": "^1.0.0",
+            "rimraf": "^2.2.8"
+          }
+        },
+        "get-caller-file": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+          "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
+          "dev": true
+        },
+        "js-sha3": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+          "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
+          "dev": true
+        },
+        "jsonfile": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.6"
+          }
+        },
+        "require-main-filename": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+          "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
+          "dev": true
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
+          }
+        },
+        "yargs": {
+          "version": "13.3.0",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
+          "integrity": "sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.1"
+          }
+        },
+        "yargs-parser": {
+          "version": "13.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
+          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
+          }
         }
       }
     },
@@ -11380,21 +9327,21 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "6.1.1",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-          "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+          "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
           "dev": true
         },
         "acorn-jsx": {
-          "version": "5.0.1",
-          "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
-          "integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==",
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
+          "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
           "dev": true
         },
         "ajv": {
-          "version": "6.10.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-          "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+          "version": "6.10.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
+          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
           "dev": true,
           "requires": {
             "fast-deep-equal": "^2.0.1",
@@ -11403,38 +9350,12 @@
             "uri-js": "^4.2.2"
           }
         },
-        "ansi-escapes": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
-          "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==",
-          "dev": true
-        },
         "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          }
-        },
         "chardet": {
           "version": "0.7.0",
           "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
@@ -11461,9 +9382,9 @@
           },
           "dependencies": {
             "semver": {
-              "version": "5.7.0",
-              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "version": "5.7.1",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+              "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
               "dev": true
             }
           }
@@ -11531,9 +9452,9 @@
           },
           "dependencies": {
             "semver": {
-              "version": "5.7.0",
-              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "version": "5.7.1",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+              "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
               "dev": true
             }
           }
@@ -11560,9 +9481,9 @@
           }
         },
         "external-editor": {
-          "version": "3.0.3",
-          "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.0.3.tgz",
-          "integrity": "sha512-bn71H9+qWoOQKyZDo25mOMVpSmXROAsTJVVVYzrrtol3d4y+AsKjf4Iwl2Q+IuT0kFSQ1qo166UuIwqYq7mGnA==",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
+          "integrity": "sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==",
           "dev": true,
           "requires": {
             "chardet": "^0.7.0",
@@ -11597,9 +9518,9 @@
           }
         },
         "glob": {
-          "version": "7.1.4",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
-          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+          "version": "7.1.5",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.5.tgz",
+          "integrity": "sha512-J9dlskqUXK1OeTOYBEn5s8aMukWMwWfs+rPTn/jn50Ux4MNXVhubL1wu/j2t+H4NVI+cXEcCaYellqaPVGXNqQ==",
           "dev": true,
           "requires": {
             "fs.realpath": "^1.0.0",
@@ -11610,15 +9531,6 @@
             "path-is-absolute": "^1.0.0"
           }
         },
-        "iconv-lite": {
-          "version": "0.4.24",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
-          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
-          "dev": true,
-          "requires": {
-            "safer-buffer": ">= 2.1.2 < 3"
-          }
-        },
         "ignore": {
           "version": "4.0.6",
           "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
@@ -11626,9 +9538,9 @@
           "dev": true
         },
         "import-fresh": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.0.0.tgz",
-          "integrity": "sha512-pOnA9tfM3Uwics+SaBLCNyZZZbK+4PTu0OPZtLlMIrv17EdBoC15S9Kn8ckJ9TZTyKb3ywNE5y1yeDxxGA7nTQ==",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.1.0.tgz",
+          "integrity": "sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==",
           "dev": true,
           "requires": {
             "parent-module": "^1.0.0",
@@ -11636,9 +9548,9 @@
           }
         },
         "inquirer": {
-          "version": "6.3.1",
-          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.3.1.tgz",
-          "integrity": "sha512-MmL624rfkFt4TG9y/Jvmt8vdmOo836U7Y0Hxr2aFk3RelZEGX4Igk0KabWrcaaZaTv9uzglOqWh1Vly+FAWAXA==",
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.5.2.tgz",
+          "integrity": "sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==",
           "dev": true,
           "requires": {
             "ansi-escapes": "^3.2.0",
@@ -11647,7 +9559,7 @@
             "cli-width": "^2.0.0",
             "external-editor": "^3.0.3",
             "figures": "^2.0.0",
-            "lodash": "^4.17.11",
+            "lodash": "^4.17.12",
             "mute-stream": "0.0.7",
             "run-async": "^2.2.0",
             "rxjs": "^6.4.0",
@@ -11656,12 +9568,6 @@
             "through": "^2.3.6"
           },
           "dependencies": {
-            "ansi-regex": {
-              "version": "4.1.0",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-              "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
-              "dev": true
-            },
             "strip-ansi": {
               "version": "5.2.0",
               "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
@@ -11673,12 +9579,6 @@
             }
           }
         },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
         "json-schema-traverse": {
           "version": "0.4.1",
           "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
@@ -11686,9 +9586,9 @@
           "dev": true
         },
         "ms": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
           "dev": true
         },
         "regexpp": {
@@ -11713,9 +9613,9 @@
           }
         },
         "semver": {
-          "version": "6.1.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-6.1.1.tgz",
-          "integrity": "sha512-rWYq2e5iYW+fFe/oPPtYJxYgjBm8sC4rmoGdUOgBB7VnwKt6HrL793l2voH1UlsyYZpJ4g0wfjnTEO1s1NP2eQ==",
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
           "dev": true
         },
         "slice-ansi": {
@@ -11729,16 +9629,6 @@
             "is-fullwidth-code-point": "^2.0.0"
           }
         },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
         "strip-ansi": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -11746,35 +9636,28 @@
           "dev": true,
           "requires": {
             "ansi-regex": "^3.0.0"
-          }
-        },
-        "supports-color": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+              "dev": true
+            }
           }
         },
         "table": {
-          "version": "5.4.0",
-          "resolved": "https://registry.npmjs.org/table/-/table-5.4.0.tgz",
-          "integrity": "sha512-nHFDrxmbrkU7JAFKqKbDJXfzrX2UBsWmrieXFTGxiI5e4ncg3VqsZeI4EzNmX0ncp4XNGVeoxIWJXfCIXwrsvw==",
+          "version": "5.4.6",
+          "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
+          "integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
           "dev": true,
           "requires": {
-            "ajv": "^6.9.1",
-            "lodash": "^4.17.11",
+            "ajv": "^6.10.2",
+            "lodash": "^4.17.14",
             "slice-ansi": "^2.1.0",
             "string-width": "^3.0.0"
           },
           "dependencies": {
-            "ansi-regex": {
-              "version": "4.1.0",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-              "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
-              "dev": true
-            },
             "string-width": {
               "version": "3.1.0",
               "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
@@ -11858,145 +9741,37 @@
       }
     },
     "solidity-docgen": {
-      "version": "0.3.0-beta.4",
-      "resolved": "https://registry.npmjs.org/solidity-docgen/-/solidity-docgen-0.3.0-beta.4.tgz",
-      "integrity": "sha512-VTjyJvNjURg6AVhofc84NjNwjyw2PZ1SVxYpdHDynb+xJkgWmK2LL+hIlIxfuhHji+dkMdIhhP80eQxwhPK5kA==",
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/solidity-docgen/-/solidity-docgen-0.3.5.tgz",
+      "integrity": "sha512-RPv22YF9JdJHQQxQAaNbu57wm/CtgM2I1JEoEzyfaT5Bs66q47gLs9zPYReg+5n61p/l+zFy0zYAjA1l+dtI2Q==",
       "dev": true,
       "requires": {
-        "@oclif/command": "^1.5.17",
-        "@oclif/config": "^1.13.2",
+        "@oclif/command": "^1.5.19",
+        "@oclif/config": "^1.13.3",
         "@oclif/errors": "^1.2.2",
-        "@oclif/plugin-help": "^2.2.0",
+        "@oclif/plugin-help": "^2.2.1",
         "execall": "^2.0.0",
         "fs-extra": "^8.1.0",
-        "globby": "^9.2.0",
-        "handlebars": "^4.1.2",
-        "lodash": "^4.17.14",
+        "globby": "^10.0.1",
+        "handlebars": "^4.4.0",
+        "json5": "^2.1.0",
+        "lodash": "^4.17.15",
         "minimatch": "^3.0.4",
-        "semver": "^6.2.0",
-        "solc": "^0.5.10",
-        "typescript": "^3.5.3"
+        "semver": "^6.3.0",
+        "solc": "^0.5.12"
       },
       "dependencies": {
-        "fs-extra": {
-          "version": "8.1.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
-          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.2.0",
-            "jsonfile": "^4.0.0",
-            "universalify": "^0.1.0"
-          }
-        },
-        "glob": {
-          "version": "7.1.4",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
-          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
-          "dev": true,
-          "requires": {
-            "fs.realpath": "^1.0.0",
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.4",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
-          }
-        },
-        "globby": {
-          "version": "9.2.0",
-          "resolved": "https://registry.npmjs.org/globby/-/globby-9.2.0.tgz",
-          "integrity": "sha512-ollPHROa5mcxDEkwg6bPt3QbEf4pDQSNtd6JPL1YvOvAo/7/0VAm9TccUeoTmarjPw4pfUthSCqcyfNB1I3ZSg==",
-          "dev": true,
-          "requires": {
-            "@types/glob": "^7.1.1",
-            "array-union": "^1.0.2",
-            "dir-glob": "^2.2.2",
-            "fast-glob": "^2.2.6",
-            "glob": "^7.1.3",
-            "ignore": "^4.0.3",
-            "pify": "^4.0.1",
-            "slash": "^2.0.0"
-          }
-        },
-        "graceful-fs": {
-          "version": "4.2.0",
-          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.0.tgz",
-          "integrity": "sha512-jpSvDPV4Cq/bgtpndIWbI5hmYxhQGHPC4d4cqBPb4DLniCfhJokdXhwhaDuLBGLQdvvRum/UiX6ECVIPvDXqdg==",
-          "dev": true
-        },
-        "ignore": {
-          "version": "4.0.6",
-          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
-          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
-          "dev": true
-        },
-        "jsonfile": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
-          "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.6"
-          }
-        },
-        "pify": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
-          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
           "dev": true
         },
         "semver": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-6.2.0.tgz",
-          "integrity": "sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==",
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
           "dev": true
-        },
-        "solc": {
-          "version": "0.5.10",
-          "resolved": "https://registry.npmjs.org/solc/-/solc-0.5.10.tgz",
-          "integrity": "sha512-Stdrh/MDkopsXYPRzPehTNYuV80Grr2CnQMuFvWj+EeRVbe3piGHxW47KebWn1sGdmK8FLaMfUehccqJP0KovQ==",
-          "dev": true,
-          "requires": {
-            "command-exists": "^1.2.8",
-            "fs-extra": "^0.30.0",
-            "keccak": "^1.0.2",
-            "memorystream": "^0.3.1",
-            "require-from-string": "^2.0.0",
-            "semver": "^5.5.0",
-            "tmp": "0.0.33",
-            "yargs": "^11.0.0"
-          },
-          "dependencies": {
-            "fs-extra": {
-              "version": "0.30.0",
-              "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
-              "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
-              "dev": true,
-              "requires": {
-                "graceful-fs": "^4.1.2",
-                "jsonfile": "^2.1.0",
-                "klaw": "^1.0.0",
-                "path-is-absolute": "^1.0.0",
-                "rimraf": "^2.2.8"
-              }
-            },
-            "jsonfile": {
-              "version": "2.4.0",
-              "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-              "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
-              "dev": true,
-              "requires": {
-                "graceful-fs": "^4.1.6"
-              }
-            },
-            "semver": {
-              "version": "5.7.0",
-              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
-              "dev": true
-            }
-          }
         }
       }
     },
@@ -12027,6 +9802,53 @@
             "wrap-ansi": "^2.0.0"
           }
         },
+        "find-up": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
+          "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
+          "dev": true,
+          "requires": {
+            "path-exists": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
+          }
+        },
+        "invert-kv": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
+          "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "lcid": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
+          "integrity": "sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=",
+          "dev": true,
+          "requires": {
+            "invert-kv": "^1.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0",
+            "strip-bom": "^2.0.0"
+          }
+        },
         "os-locale": {
           "version": "1.4.0",
           "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
@@ -12036,12 +9858,94 @@
             "lcid": "^1.0.0"
           }
         },
+        "parse-json": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
+          "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.2.0"
+          }
+        },
+        "path-exists": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-2.1.0.tgz",
+          "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
+          "dev": true,
+          "requires": {
+            "pinkie-promise": "^2.0.0"
+          }
+        },
+        "path-type": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
+          "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
+          }
+        },
+        "pify": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
+          "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^1.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^1.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
+          "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
+          "dev": true,
+          "requires": {
+            "find-up": "^1.0.0",
+            "read-pkg": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-bom": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
+          "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
+          "dev": true,
+          "requires": {
+            "is-utf8": "^0.2.0"
+          }
+        },
         "which-module": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
           "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
           "dev": true
         },
+        "y18n": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+          "dev": true
+        },
         "yargs": {
           "version": "4.8.1",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
@@ -12077,9 +9981,9 @@
       }
     },
     "source-map": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
     "source-map-resolve": {
@@ -12096,13 +10000,21 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.10",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.10.tgz",
-      "integrity": "sha512-YfQ3tQFTK/yzlGJuX8pTwa4tifQj4QS2Mj7UegOu8jAz59MqIiMGPXxQhVQiIMNzayuUSF/jEuVnfFF5JqybmQ==",
+      "version": "0.5.13",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
+      "integrity": "sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
         "source-map": "^0.6.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "source-map-url": {
@@ -12111,12 +10023,6 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
       "dev": true
     },
-    "sparkles": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/sparkles/-/sparkles-1.0.1.tgz",
-      "integrity": "sha512-dSO0DDYUahUt/0/pD/Is3VIm5TGJjludZ0HVymmhYF6eNA53PVLhnUk0znSYbH8IYBuJdCE+1luR22jNLMaQdw==",
-      "dev": true
-    },
     "spawn-command": {
       "version": "0.0.2-1",
       "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2-1.tgz",
@@ -12124,24 +10030,35 @@
       "dev": true
     },
     "spdx-correct": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-1.0.2.tgz",
-      "integrity": "sha1-SzBz2TP/UfORLwOsVRlJikFQ20A=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
+      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
       "dev": true,
       "requires": {
-        "spdx-license-ids": "^1.0.2"
+        "spdx-expression-parse": "^3.0.0",
+        "spdx-license-ids": "^3.0.0"
       }
     },
-    "spdx-expression-parse": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz",
-      "integrity": "sha1-m98vIOH0DtRH++JzJmGR/O1RYmw=",
+    "spdx-exceptions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
+      "integrity": "sha512-2XQACfElKi9SlVb1CYadKDXvoajPgBVPn/gOQLrTvHdElaVhr7ZEbqJaRnJLVNeaI4cMEAgVCeBMKF6MWRDCRA==",
       "dev": true
     },
+    "spdx-expression-parse": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
+      "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
+      "dev": true,
+      "requires": {
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
     "spdx-license-ids": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz",
-      "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc=",
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
+      "integrity": "sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q==",
       "dev": true
     },
     "split-string": {
@@ -12176,12 +10093,6 @@
         "tweetnacl": "~0.14.0"
       }
     },
-    "stack-trace": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
-      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=",
-      "dev": true
-    },
     "static-extend": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
@@ -12209,18 +10120,6 @@
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
       "dev": true
     },
-    "stream-exhaust": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/stream-exhaust/-/stream-exhaust-1.0.2.tgz",
-      "integrity": "sha512-b/qaq/GlBK5xaq1yrK9/zFcyRSTNxmcZwFLGSTG0mXgZl/4Z6GgiyYOXOvY7N3eEvFRAG1bkDRz5EPGSvPYQlw==",
-      "dev": true
-    },
-    "stream-shift": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
-      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
-      "dev": true
-    },
     "strict-uri-encode": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -12228,14 +10127,30 @@
       "dev": true
     },
     "string-width": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-      "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+      "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
       "dev": true,
       "requires": {
-        "code-point-at": "^1.0.0",
-        "is-fullwidth-code-point": "^1.0.0",
-        "strip-ansi": "^3.0.0"
+        "is-fullwidth-code-point": "^2.0.0",
+        "strip-ansi": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
       }
     },
     "string.prototype.trim": {
@@ -12276,13 +10191,10 @@
       }
     },
     "strip-bom": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
-      "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
-      "dev": true,
-      "requires": {
-        "is-utf8": "^0.2.0"
-      }
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+      "dev": true
     },
     "strip-dirs": {
       "version": "2.1.0",
@@ -12315,19 +10227,12 @@
       "dev": true
     },
     "supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-      "dev": true
-    },
-    "sver-compat": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/sver-compat/-/sver-compat-1.5.0.tgz",
-      "integrity": "sha1-PPh9/rTQe0o/FIJ7wYaz/QxkXNg=",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
       "dev": true,
       "requires": {
-        "es6-iterator": "^2.0.1",
-        "es6-symbol": "^3.1.1"
+        "has-flag": "^3.0.0"
       }
     },
     "swarm-js": {
@@ -12418,76 +10323,6 @@
         "lodash": "^4.17.4",
         "slice-ansi": "1.0.0",
         "string-width": "^2.1.1"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
-          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          },
-          "dependencies": {
-            "escape-string-regexp": {
-              "version": "1.0.5",
-              "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-              "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-              "dev": true
-            }
-          }
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        },
-        "supports-color": {
-          "version": "5.4.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
-          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
       }
     },
     "tar": {
@@ -12541,6 +10376,23 @@
       "dev": true,
       "requires": {
         "execa": "^0.7.0"
+      },
+      "dependencies": {
+        "execa": {
+          "version": "0.7.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.7.0.tgz",
+          "integrity": "sha1-lEvs00zEHuMqY6n68nrVpl/Fl3c=",
+          "dev": true,
+          "requires": {
+            "cross-spawn": "^5.0.1",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          }
+        }
       }
     },
     "text-table": {
@@ -12555,64 +10407,6 @@
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
-    "through2": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
-      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
-      "dev": true,
-      "requires": {
-        "readable-stream": "~2.3.6",
-        "xtend": "~4.0.1"
-      },
-      "dependencies": {
-        "process-nextick-args": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-          "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        }
-      }
-    },
-    "through2-filter": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/through2-filter/-/through2-filter-3.0.0.tgz",
-      "integrity": "sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==",
-      "dev": true,
-      "requires": {
-        "through2": "~2.0.0",
-        "xtend": "~4.0.0"
-      }
-    },
-    "time-stamp": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/time-stamp/-/time-stamp-1.1.0.tgz",
-      "integrity": "sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=",
-      "dev": true
-    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
@@ -12628,16 +10422,6 @@
         "os-tmpdir": "~1.0.2"
       }
     },
-    "to-absolute-glob": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
-      "integrity": "sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=",
-      "dev": true,
-      "requires": {
-        "is-absolute": "^1.0.0",
-        "is-negated-glob": "^1.0.0"
-      }
-    },
     "to-buffer": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
@@ -12691,15 +10475,6 @@
         "is-number": "^7.0.0"
       }
     },
-    "to-through": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/to-through/-/to-through-2.0.0.tgz",
-      "integrity": "sha1-/JKtq6ByZHvAtn1rA2ZKoZUJOvY=",
-      "dev": true,
-      "requires": {
-        "through2": "^2.0.3"
-      }
-    },
     "toidentifier": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
@@ -12713,17 +10488,6 @@
       "dev": true,
       "requires": {
         "nopt": "~1.0.10"
-      },
-      "dependencies": {
-        "nopt": {
-          "version": "1.0.10",
-          "resolved": "https://registry.npmjs.org/nopt/-/nopt-1.0.10.tgz",
-          "integrity": "sha1-bd0hvSoxQXuScn3Vhfim83YI6+4=",
-          "dev": true,
-          "requires": {
-            "abbrev": "1"
-          }
-        }
       }
     },
     "tough-cookie": {
@@ -12742,109 +10506,121 @@
       "dev": true
     },
     "truffle": {
-      "version": "5.0.18",
-      "resolved": "https://registry.npmjs.org/truffle/-/truffle-5.0.18.tgz",
-      "integrity": "sha512-aQPbWSskotSmylj4kiq73Di5X+tHl5ChlvlBAo5brHmsCzvMGIH29UA+t/rK8TRo7i7Kut0HxAgVR5i+bJteAQ==",
+      "version": "5.0.41",
+      "resolved": "https://registry.npmjs.org/truffle/-/truffle-5.0.41.tgz",
+      "integrity": "sha512-vQm7OHRN8qh4Te3QZ9A74JsDoZfcYoJLuI1FrcLpJoicdTrzCZU4UXGIYFUIZ+UmOTlMS07lUufxDSraSHxpdg==",
       "dev": true,
       "requires": {
         "app-module-path": "^2.2.0",
-        "mocha": "^4.1.0",
-        "original-require": "1.0.1",
-        "solc": "0.5.0"
-      }
-    },
-    "truffle-blockchain-utils": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/truffle-blockchain-utils/-/truffle-blockchain-utils-0.0.10.tgz",
-      "integrity": "sha512-gVvagLCvYD0QXfnkxy6I48P6O+d7TEY0smc2VFuwldl1/clLVWE+KfBO/jFMaAz+nupTQeKvPhNTeyh3JAsCeA==",
-      "dev": true
-    },
-    "truffle-contract": {
-      "version": "4.0.27",
-      "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-4.0.27.tgz",
-      "integrity": "sha512-/UwsAm8tHN6sGCRbM/sarp/eR5ST3aj45wvmKWh680H3H60ur66xzrDgKJ0xPCpnAZhBOaNIhTY2bGj3jZz/ZQ==",
-      "dev": true,
-      "requires": {
-        "bignumber.js": "^7.2.1",
-        "ethers": "^4.0.0-beta.1",
-        "truffle-blockchain-utils": "^0.0.10",
-        "truffle-contract-schema": "^3.0.11",
-        "truffle-error": "^0.0.5",
-        "truffle-interface-adapter": "^0.2.2",
-        "web3": "^1.2.0",
-        "web3-core-promievent": "^1.2.0",
-        "web3-eth-abi": "^1.2.0",
-        "web3-utils": "^1.2.0"
-      }
-    },
-    "truffle-contract-schema": {
-      "version": "3.0.11",
-      "resolved": "https://registry.npmjs.org/truffle-contract-schema/-/truffle-contract-schema-3.0.11.tgz",
-      "integrity": "sha512-YcgSOlrufi6VtnXg8LU5Ma7JHzHpnZQxzB1PSWnb+JOTc1nL02XRoCWTgEO7PkJnFgf6yrwOpW0ajSwHk3zQ7Q==",
-      "dev": true,
-      "requires": {
-        "ajv": "^6.10.0",
-        "crypto-js": "^3.1.9-1",
-        "debug": "^4.1.0"
+        "mocha": "5.2.0",
+        "original-require": "1.0.1"
       },
       "dependencies": {
-        "ajv": {
-          "version": "6.10.2",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
-          "dev": true,
-          "requires": {
-            "fast-deep-equal": "^2.0.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
-          }
+        "browser-stdout": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+          "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
+          "dev": true
+        },
+        "commander": {
+          "version": "2.15.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
+          "dev": true
         },
         "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.0.0"
           }
         },
-        "fast-deep-equal": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+        "diff": {
+          "version": "3.5.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+          "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
           "dev": true
         },
-        "json-schema-traverse": {
-          "version": "0.4.1",
-          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+        "growl": {
+          "version": "1.10.5",
+          "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.5.tgz",
+          "integrity": "sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==",
           "dev": true
         },
-        "ms": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+        "mocha": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.2.0.tgz",
+          "integrity": "sha512-2IUgKDhc3J7Uug+FxMXuqIyYzH7gJjXECKe/w43IGgQHTSj3InJi+yAA7T24L9bQMRKiUEHxEX37G5JpVUGLcQ==",
+          "dev": true,
+          "requires": {
+            "browser-stdout": "1.3.1",
+            "commander": "2.15.1",
+            "debug": "3.1.0",
+            "diff": "3.5.0",
+            "escape-string-regexp": "1.0.5",
+            "glob": "7.1.2",
+            "growl": "1.10.5",
+            "he": "1.1.1",
+            "minimatch": "3.0.4",
+            "mkdirp": "0.5.1",
+            "supports-color": "5.4.0"
+          }
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "truffle-contract": {
+      "version": "4.0.31",
+      "resolved": "https://registry.npmjs.org/truffle-contract/-/truffle-contract-4.0.31.tgz",
+      "integrity": "sha512-u3q+p1wiX5C2GpnluGx/d2iaJk7bcWshk2/TohiJyA2iQiTfkS7M4n9D9tY3JqpXR8PmD/TrA69RylO0RhITFA==",
+      "dev": true,
+      "requires": {
+        "@truffle/blockchain-utils": "^0.0.11",
+        "@truffle/contract-schema": "^3.0.14",
+        "@truffle/error": "^0.0.6",
+        "bignumber.js": "^7.2.1",
+        "ethers": "^4.0.0-beta.1",
+        "truffle-interface-adapter": "^0.2.5",
+        "web3": "1.2.1",
+        "web3-core-promievent": "1.2.1",
+        "web3-eth-abi": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "@truffle/blockchain-utils": {
+          "version": "0.0.11",
+          "resolved": "https://registry.npmjs.org/@truffle/blockchain-utils/-/blockchain-utils-0.0.11.tgz",
+          "integrity": "sha512-9MyQ/20M96clhIcC7fVFIckGSB8qMsmcdU6iYt98HXJ9GOLNKsCaJFz1OVsJncVreYwTUhoEXTrVBc8zrmPDJQ==",
+          "dev": true
+        },
+        "@truffle/error": {
+          "version": "0.0.6",
+          "resolved": "https://registry.npmjs.org/@truffle/error/-/error-0.0.6.tgz",
+          "integrity": "sha512-QUM9ZWiwlXGixFGpV18g5I6vua6/r+ZV9W/5DQA5go9A3eZUNPHPaTKMIQPJLYn6+ZV5jg5H28zCHq56LHF3yA==",
           "dev": true
         }
       }
     },
-    "truffle-error": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/truffle-error/-/truffle-error-0.0.5.tgz",
-      "integrity": "sha512-JpzPLMPSCE0vaZ3vH5NO5u42GpMj/Y1SRBkQ6b69PSw3xMSH1umApN32cEcg1nnh8q5FNYc5FnKu0m4tiBffyQ==",
-      "dev": true
-    },
     "truffle-interface-adapter": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/truffle-interface-adapter/-/truffle-interface-adapter-0.2.2.tgz",
-      "integrity": "sha512-dAKN+mSOlQV/+PlzUhBH90RAWrbp0Avm8nQcALoTwKa35PkS5RyB2ir1Y0AVoZvKVFYOmRDt884KHpZe8YgJRA==",
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/truffle-interface-adapter/-/truffle-interface-adapter-0.2.5.tgz",
+      "integrity": "sha512-EL39OpP8FcZ99ne1Rno3jImfb92Nectd4iVsZzoEUCBfbwHe7sr0k+i45guoruSoP8nMUE81Mov2s8I5pi6d9Q==",
       "dev": true,
       "requires": {
         "bn.js": "^4.11.8",
         "ethers": "^4.0.32",
         "lodash": "^4.17.13",
-        "web3": "^1.2.0"
+        "web3": "1.2.1"
       }
     },
     "tslib": {
@@ -12938,16 +10714,10 @@
         "is-typedarray": "^1.0.0"
       }
     },
-    "typescript": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-      "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
-      "dev": true
-    },
     "uglify-js": {
-      "version": "3.5.10",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.5.10.tgz",
-      "integrity": "sha512-/GTF0nosyPLbdJBd+AwYiZ+Hu5z8KXWnO0WCGt1BQ/u9Iamhejykqmz5o1OHJ53+VAk6xVxychonnApDjuqGsw==",
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
+      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
       "dev": true,
       "optional": true,
       "requires": {
@@ -12955,10 +10725,10 @@
         "source-map": "~0.6.1"
       },
       "dependencies": {
-        "commander": {
-          "version": "2.20.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true,
           "optional": true
         }
@@ -12980,12 +10750,6 @@
         "through": "^2.3.8"
       }
     },
-    "unc-path-regex": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
-      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
-      "dev": true
-    },
     "undefsafe": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
@@ -13001,29 +10765,6 @@
       "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==",
       "dev": true
     },
-    "undertaker": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/undertaker/-/undertaker-1.2.1.tgz",
-      "integrity": "sha512-71WxIzDkgYk9ZS+spIB8iZXchFhAdEo2YU8xYqBYJ39DIUIqziK78ftm26eecoIY49X0J2MLhG4hr18Yp6/CMA==",
-      "dev": true,
-      "requires": {
-        "arr-flatten": "^1.0.1",
-        "arr-map": "^2.0.0",
-        "bach": "^1.0.0",
-        "collection-map": "^1.0.0",
-        "es6-weak-map": "^2.0.1",
-        "last-run": "^1.1.0",
-        "object.defaults": "^1.0.0",
-        "object.reduce": "^1.0.0",
-        "undertaker-registry": "^1.0.0"
-      }
-    },
-    "undertaker-registry": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/undertaker-registry/-/undertaker-registry-1.0.1.tgz",
-      "integrity": "sha1-XkvaMI5KiirlhPm5pDWaSZglzFA=",
-      "dev": true
-    },
     "union": {
       "version": "0.4.6",
       "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
@@ -13042,48 +10783,15 @@
       }
     },
     "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
       "dev": true,
       "requires": {
         "arr-union": "^3.1.0",
         "get-value": "^2.0.6",
         "is-extendable": "^0.1.1",
-        "set-value": "^0.4.3"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.1",
-            "to-object-path": "^0.3.0"
-          }
-        }
-      }
-    },
-    "unique-stream": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-2.3.1.tgz",
-      "integrity": "sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==",
-      "dev": true,
-      "requires": {
-        "json-stable-stringify-without-jsonify": "^1.0.1",
-        "through2-filter": "^3.0.0"
+        "set-value": "^2.0.1"
       }
     },
     "unique-string": {
@@ -13154,9 +10862,9 @@
       "dev": true
     },
     "upath": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.2.tgz",
-      "integrity": "sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.2.0.tgz",
+      "integrity": "sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==",
       "dev": true
     },
     "update-notifier": {
@@ -13288,31 +10996,16 @@
       "integrity": "sha512-ijO9N2xY/YaOqQ5yz5c4sy2ZjWmA6AR6zASb/gdpeKZ8+948CxwfMW9RrKVk5may6ev8c0/Xguu32e2Llelpqw==",
       "dev": true
     },
-    "v8flags": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.1.3.tgz",
-      "integrity": "sha512-amh9CCg3ZxkzQ48Mhcb8iX7xpAfYJgePHxWMQCBWECpOSqJUXgY26ncA61UTV0BkPqfhcy6mzwCIoP4ygxpW8w==",
-      "dev": true,
-      "requires": {
-        "homedir-polyfill": "^1.0.1"
-      }
-    },
     "validate-npm-package-license": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
-      "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
       "dev": true,
       "requires": {
-        "spdx-correct": "~1.0.0",
-        "spdx-expression-parse": "~1.0.0"
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
       }
     },
-    "value-or-function": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/value-or-function/-/value-or-function-3.0.0.tgz",
-      "integrity": "sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=",
-      "dev": true
-    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -13330,90 +11023,53 @@
         "extsprintf": "^1.2.0"
       }
     },
-    "vinyl": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.0.tgz",
-      "integrity": "sha512-MBH+yP0kC/GQ5GwBqrTPTzEfiiLjta7hTtvQtbxBgTeSXsmKQRQecjibMbxIXzVT3Y9KJK+drOz1/k+vsu8Nkg==",
+    "web3": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.1.tgz",
+      "integrity": "sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==",
       "dev": true,
       "requires": {
-        "clone": "^2.1.1",
-        "clone-buffer": "^1.0.0",
-        "clone-stats": "^1.0.0",
-        "cloneable-readable": "^1.0.0",
-        "remove-trailing-separator": "^1.0.1",
-        "replace-ext": "^1.0.0"
-      }
-    },
-    "vinyl-fs": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/vinyl-fs/-/vinyl-fs-3.0.3.tgz",
-      "integrity": "sha512-vIu34EkyNyJxmP0jscNzWBSygh7VWhqun6RmqVfXePrOwi9lhvRs//dOaGOTRUQr4tx7/zd26Tk5WeSVZitgng==",
-      "dev": true,
-      "requires": {
-        "fs-mkdirp-stream": "^1.0.0",
-        "glob-stream": "^6.1.0",
-        "graceful-fs": "^4.0.0",
-        "is-valid-glob": "^1.0.0",
-        "lazystream": "^1.0.0",
-        "lead": "^1.0.0",
-        "object.assign": "^4.0.4",
-        "pumpify": "^1.3.5",
-        "readable-stream": "^2.3.3",
-        "remove-bom-buffer": "^3.0.0",
-        "remove-bom-stream": "^1.2.0",
-        "resolve-options": "^1.1.0",
-        "through2": "^2.0.0",
-        "to-through": "^2.0.0",
-        "value-or-function": "^3.0.0",
-        "vinyl": "^2.0.0",
-        "vinyl-sourcemap": "^1.1.0"
-      }
-    },
-    "vinyl-sourcemap": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
-      "integrity": "sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=",
-      "dev": true,
-      "requires": {
-        "append-buffer": "^1.0.2",
-        "convert-source-map": "^1.5.0",
-        "graceful-fs": "^4.1.6",
-        "normalize-path": "^2.1.1",
-        "now-and-later": "^2.0.0",
-        "remove-bom-buffer": "^3.0.0",
-        "vinyl": "^2.0.0"
+        "web3-bzz": "1.2.1",
+        "web3-core": "1.2.1",
+        "web3-eth": "1.2.1",
+        "web3-eth-personal": "1.2.1",
+        "web3-net": "1.2.1",
+        "web3-shh": "1.2.1",
+        "web3-utils": "1.2.1"
       },
       "dependencies": {
-        "normalize-path": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
           "dev": true,
           "requires": {
-            "remove-trailing-separator": "^1.0.1"
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
           }
         }
       }
     },
-    "web3": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.0.tgz",
-      "integrity": "sha512-iFrVAexsopX97x0ofBU/7HrCxzovf624qBkjBUeHZDf/G3Sb4tMQtjkCRc5lgVvzureq5SCqDiFDcqnw7eJ0bA==",
-      "dev": true,
-      "requires": {
-        "web3-bzz": "1.2.0",
-        "web3-core": "1.2.0",
-        "web3-eth": "1.2.0",
-        "web3-eth-personal": "1.2.0",
-        "web3-net": "1.2.0",
-        "web3-shh": "1.2.0",
-        "web3-utils": "1.2.0"
-      }
-    },
     "web3-bzz": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-bzz/-/web3-bzz-1.2.0.tgz",
-      "integrity": "sha512-QEIdvguSEpqBK9b815nzx4yvpfKv/SAvaFeCMjQ0vjIVqFhAwBHDxd+f+X3nWGVRGVeOTP7864tau26CPBtQ8Q==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-bzz/-/web3-bzz-1.2.1.tgz",
+      "integrity": "sha512-LdOO44TuYbGIPfL4ilkuS89GQovxUpmLz6C1UC7VYVVRILeZS740FVB3j9V4P4FHUk1RenaDfKhcntqgVCHtjw==",
       "dev": true,
       "requires": {
         "got": "9.6.0",
@@ -13422,45 +11078,129 @@
       }
     },
     "web3-core": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.2.0.tgz",
-      "integrity": "sha512-Vy+fargzx94COdihE79zIM5lb/XAl/LJlgGdmz2a6QhgGZrSL8K6DKKNS+OuORAcLJN2PWNMc4IdfknkOw1PhQ==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.2.1.tgz",
+      "integrity": "sha512-5ODwIqgl8oIg/0+Ai4jsLxkKFWJYE0uLuE1yUKHNVCL4zL6n3rFjRMpKPokd6id6nJCNgeA64KdWQ4XfpnjdMg==",
       "dev": true,
       "requires": {
-        "web3-core-helpers": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-core-requestmanager": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core-helpers": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-core-requestmanager": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-core-helpers": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.2.0.tgz",
-      "integrity": "sha512-KLCCP2FS1cMz23Y9l3ZaEDzaUky+GpsNavl4Hn1xX8lNaKcfgGEF+DgtAY/TfPQYAxLjLrSbIFUDzo9H/W1WAQ==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz",
+      "integrity": "sha512-Gx3sTEajD5r96bJgfuW377PZVFmXIH4TdqDhgGwd2lZQCcMi+DA4TgxJNJGxn0R3aUVzyyE76j4LBrh412mXrw==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-eth-iban": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-eth-iban": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-core-method": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.2.0.tgz",
-      "integrity": "sha512-Iff5rCL+sgHe6zZVZijp818aRixKQf3ZAyQsT6ewER1r9yqXsH89DJtX33Xw8xiaYSwUFcpNs2j+Kluhv/eVAw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.2.1.tgz",
+      "integrity": "sha512-Ghg2WS23qi6Xj8Od3VCzaImLHseEA7/usvnOItluiIc5cKs00WYWsNy2YRStzU9a2+z8lwQywPYp0nTzR/QXdQ==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-promievent": "1.2.0",
-        "web3-core-subscriptions": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core-helpers": "1.2.1",
+        "web3-core-promievent": "1.2.1",
+        "web3-core-subscriptions": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-core-promievent": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.2.0.tgz",
-      "integrity": "sha512-9THNYsZka91AX4LZGZvka5hio9+QlOY22hNgCiagmCmYytyKk3cXftL6CWefnNF7XgW8sy/ew5lzWLVsQW61Lw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz",
+      "integrity": "sha512-IVUqgpIKoeOYblwpex4Hye6npM0aMR+kU49VP06secPeN0rHMyhGF0ZGveWBrGvf8WDPI7jhqPBFIC6Jf3Q3zw==",
       "dev": true,
       "requires": {
         "any-promise": "1.3.0",
@@ -13468,65 +11208,93 @@
       }
     },
     "web3-core-requestmanager": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.2.0.tgz",
-      "integrity": "sha512-hPe1jyESodXAiE7qJglu7ySo4GINCn5CgG+9G1ATLQbriZsir83QMSeKQekv/hckKFIf4SvZJRPEBhtAle+Dhw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz",
+      "integrity": "sha512-xfknTC69RfYmLKC+83Jz73IC3/sS2ZLhGtX33D4Q5nQ8yc39ElyAolxr9sJQS8kihOcM6u4J+8gyGMqsLcpIBg==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-core-helpers": "1.2.0",
-        "web3-providers-http": "1.2.0",
-        "web3-providers-ipc": "1.2.0",
-        "web3-providers-ws": "1.2.0"
+        "web3-core-helpers": "1.2.1",
+        "web3-providers-http": "1.2.1",
+        "web3-providers-ipc": "1.2.1",
+        "web3-providers-ws": "1.2.1"
       }
     },
     "web3-core-subscriptions": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.2.0.tgz",
-      "integrity": "sha512-DHipGH8It5E4HxxvymhkudcYhBVgGx6MwGWobIVKFgp6JRxtuvAbqwrMbuD/+78J6yXOa4y9zVXBk12dm2NXGg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz",
+      "integrity": "sha512-nmOwe3NsB8V8UFsY1r+sW6KjdOS68h8nuh7NzlWxBQT/19QSUGiERRTaZXWu5BYvo1EoZRMxCKyCQpSSXLc08g==",
       "dev": true,
       "requires": {
         "eventemitter3": "3.1.2",
         "underscore": "1.9.1",
-        "web3-core-helpers": "1.2.0"
+        "web3-core-helpers": "1.2.1"
       }
     },
     "web3-eth": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.2.0.tgz",
-      "integrity": "sha512-GP1+hHS/IVW1tAOIDS44PxCpvSl9PBU/KAB40WgP27UMvSy43LjHxGlP6hQQOdIfmBLBTvGvn2n+Z5kW2gzAzg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.2.1.tgz",
+      "integrity": "sha512-/2xly4Yry5FW1i+uygPjhfvgUP/MS/Dk+PDqmzp5M88tS86A+j8BzKc23GrlA8sgGs0645cpZK/999LpEF5UdA==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-core": "1.2.0",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-core-subscriptions": "1.2.0",
-        "web3-eth-abi": "1.2.0",
-        "web3-eth-accounts": "1.2.0",
-        "web3-eth-contract": "1.2.0",
-        "web3-eth-ens": "1.2.0",
-        "web3-eth-iban": "1.2.0",
-        "web3-eth-personal": "1.2.0",
-        "web3-net": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-helpers": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-core-subscriptions": "1.2.1",
+        "web3-eth-abi": "1.2.1",
+        "web3-eth-accounts": "1.2.1",
+        "web3-eth-contract": "1.2.1",
+        "web3-eth-ens": "1.2.1",
+        "web3-eth-iban": "1.2.1",
+        "web3-eth-personal": "1.2.1",
+        "web3-net": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-eth-abi": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.2.0.tgz",
-      "integrity": "sha512-FDuPq/tFeMg/D/f7cNSmvVYkMYb1z379gUUzSL8ZFtZrdHPkezq+lq/TmWmbCOMLYNXlhGJBzjGdLXRS4Upprg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz",
+      "integrity": "sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==",
       "dev": true,
       "requires": {
         "ethers": "4.0.0-beta.3",
         "underscore": "1.9.1",
-        "web3-utils": "1.2.0"
+        "web3-utils": "1.2.1"
       },
       "dependencies": {
         "@types/node": {
-          "version": "10.14.14",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.14.tgz",
-          "integrity": "sha512-xXD08vZsvpv4xptQXj1+ky22f7ZoKu5ZNI/4l+/BXG3X+XaeZsmaFbbTKuhSE3NjjvRuZFxFf9sQBMXIcZNFMQ==",
+          "version": "10.14.17",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.17.tgz",
+          "integrity": "sha512-p/sGgiPaathCfOtqu2fx5Mu1bcjuP8ALFg4xpGgNkcin7LwRyzUKniEHBKdcE1RPsenq5JVPIpMTJSygLboygQ==",
           "dev": true
         },
         "elliptic": {
@@ -13541,6 +11309,34 @@
             "inherits": "^2.0.1"
           }
         },
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          },
+          "dependencies": {
+            "elliptic": {
+              "version": "6.5.1",
+              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
+              "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
+              "dev": true,
+              "requires": {
+                "bn.js": "^4.4.0",
+                "brorand": "^1.0.1",
+                "hash.js": "^1.0.0",
+                "hmac-drbg": "^1.0.0",
+                "inherits": "^2.0.1",
+                "minimalistic-assert": "^1.0.0",
+                "minimalistic-crypto-utils": "^1.0.0"
+              }
+            }
+          }
+        },
         "ethers": {
           "version": "4.0.0-beta.3",
           "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.0-beta.3.tgz",
@@ -13576,25 +11372,41 @@
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
           "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=",
           "dev": true
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
         }
       }
     },
     "web3-eth-accounts": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.2.0.tgz",
-      "integrity": "sha512-d/fUAL3F6HqstvEiBnZ1RwZ77/DytgF9d6A3mWVvPOUk2Pqi77PM0adRvsKvIWUaQ/k6OoCk/oXtbzaO7CyGpg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz",
+      "integrity": "sha512-26I4qq42STQ8IeKUyur3MdQ1NzrzCqPsmzqpux0j6X/XBD7EjZ+Cs0lhGNkSKH5dI3V8CJasnQ5T1mNKeWB7nQ==",
       "dev": true,
       "requires": {
         "any-promise": "1.3.0",
         "crypto-browserify": "3.12.0",
         "eth-lib": "0.2.7",
-        "scrypt.js": "^0.3.0",
+        "scryptsy": "2.1.0",
+        "semver": "6.2.0",
         "underscore": "1.9.1",
         "uuid": "3.3.2",
-        "web3-core": "1.2.0",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-helpers": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-utils": "1.2.1"
       },
       "dependencies": {
         "eth-lib": {
@@ -13608,128 +11420,289 @@
             "xhr-request-promise": "^0.1.2"
           }
         },
+        "semver": {
+          "version": "6.2.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.2.0.tgz",
+          "integrity": "sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==",
+          "dev": true
+        },
         "uuid": {
           "version": "3.3.2",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
           "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
           "dev": true
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
         }
       }
     },
     "web3-eth-contract": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.2.0.tgz",
-      "integrity": "sha512-hfjozNbfsoMeR3QklfkwU0Mqcw6YRD4y1Cb1ghGWNhFy2+/sbvKcQNPPJDKFTde22PRzGQBWyh/nb422Sux4bQ==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz",
+      "integrity": "sha512-kYFESbQ3boC9bl2rYVghj7O8UKMiuKaiMkxvRH5cEDHil8V7MGEGZNH0slSdoyeftZVlaWSMqkRP/chfnKND0g==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-core": "1.2.0",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-core-promievent": "1.2.0",
-        "web3-core-subscriptions": "1.2.0",
-        "web3-eth-abi": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-helpers": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-core-promievent": "1.2.1",
+        "web3-core-subscriptions": "1.2.1",
+        "web3-eth-abi": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-eth-ens": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.2.0.tgz",
-      "integrity": "sha512-kE6uHMLwH9dv+MZSKT7BcKXcQ6CcLP5m5mM44s2zg2e9Rl20F3J6R3Ik6sLc/w2ywdCwTe/Z22yEstHXQwu5ig==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz",
+      "integrity": "sha512-lhP1kFhqZr2nnbu3CGIFFrAnNxk2veXpOXBY48Tub37RtobDyHijHgrj+xTh+mFiPokyrapVjpFsbGa+Xzye4Q==",
       "dev": true,
       "requires": {
         "eth-ens-namehash": "2.0.8",
         "underscore": "1.9.1",
-        "web3-core": "1.2.0",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-promievent": "1.2.0",
-        "web3-eth-abi": "1.2.0",
-        "web3-eth-contract": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-helpers": "1.2.1",
+        "web3-core-promievent": "1.2.1",
+        "web3-eth-abi": "1.2.1",
+        "web3-eth-contract": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-eth-iban": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.2.0.tgz",
-      "integrity": "sha512-6DzTx/cvIgEvxadhJjLGpsuDUARA4RKskNOuwWYUsUODcPb50rsfMmRkHhGtLss/sNXVE5gNjbT9rX3TDqy2tg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz",
+      "integrity": "sha512-9gkr4QPl1jCU+wkgmZ8EwODVO3ovVj6d6JKMos52ggdT2YCmlfvFVF6wlGLwi0VvNa/p+0BjJzaqxnnG/JewjQ==",
       "dev": true,
       "requires": {
         "bn.js": "4.11.8",
-        "web3-utils": "1.2.0"
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-eth-personal": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.2.0.tgz",
-      "integrity": "sha512-8QdcaT6dbdiMC8zEqvDuij8XeI34r2GGdQYGvYBP2UgCm15EZBHgewxO30A+O+j2oIW1/Hu60zP5upnhCuA1Dw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz",
+      "integrity": "sha512-RNDVSiaSoY4aIp8+Hc7z+X72H7lMb3fmAChuSBADoEc7DsJrY/d0R5qQDK9g9t2BO8oxgLrLNyBP/9ub2Hc6Bg==",
       "dev": true,
       "requires": {
-        "web3-core": "1.2.0",
-        "web3-core-helpers": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-net": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-helpers": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-net": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-net": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.2.0.tgz",
-      "integrity": "sha512-7iD8C6vvx8APXPMmlpPLGWjn4bsXHzd3BTdFzKjkoYjiiVFJdVAbY3j1BwN/6tVQu8Ay7sDpV2EdTNub7GKbyw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.2.1.tgz",
+      "integrity": "sha512-Yt1Bs7WgnLESPe0rri/ZoPWzSy55ovioaP35w1KZydrNtQ5Yq4WcrAdhBzcOW7vAkIwrsLQsvA+hrOCy7mNauw==",
       "dev": true,
       "requires": {
-        "web3-core": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-utils": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-utils": "1.2.1"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-providers-http": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.0.tgz",
-      "integrity": "sha512-UrUn6JSz7NVCZ+0nZZtC4cmbl5JIi57w1flL1jN8jgkfdWDdErNvTkSwCt/QYdTQscMaUtWXDDOSAsVO6YC64g==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
+      "integrity": "sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==",
       "dev": true,
       "requires": {
-        "web3-core-helpers": "1.2.0",
+        "web3-core-helpers": "1.2.1",
         "xhr2-cookies": "1.1.0"
       }
     },
     "web3-providers-ipc": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.0.tgz",
-      "integrity": "sha512-T2OSbiqu7+dahbGG5YFEQM5+FXdLVvaTCKmHXaQpw8IuL5hw7HELtyFOtHVudgDRyw0tJKxIfAiX/v2F1IL1fQ==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz",
+      "integrity": "sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==",
       "dev": true,
       "requires": {
         "oboe": "2.1.4",
         "underscore": "1.9.1",
-        "web3-core-helpers": "1.2.0"
+        "web3-core-helpers": "1.2.1"
       }
     },
     "web3-providers-ws": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.0.tgz",
-      "integrity": "sha512-rnwGcCe6cev5A6eG5UBCQqPmkJVZMCrK+HN1AvUCco0OHD/0asGc9LuLbtkQIyznA6Lzetq/OOcaTOM4KeT11g==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz",
+      "integrity": "sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==",
       "dev": true,
       "requires": {
         "underscore": "1.9.1",
-        "web3-core-helpers": "1.2.0",
-        "websocket": "github:frozeman/WebSocket-Node#browserifyCompatible"
+        "web3-core-helpers": "1.2.1",
+        "websocket": "github:web3-js/WebSocket-Node#polyfill/globalThis"
       }
     },
     "web3-shh": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.0.tgz",
-      "integrity": "sha512-VFjS8kvsQBodudFmIoVJWvDNZosONJZZnhvktngD3POu5dwbJmSCl6lzbLJ2C5XjR15dF+JvSstAkWbM+2sdPg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.1.tgz",
+      "integrity": "sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==",
       "dev": true,
       "requires": {
-        "web3-core": "1.2.0",
-        "web3-core-method": "1.2.0",
-        "web3-core-subscriptions": "1.2.0",
-        "web3-net": "1.2.0"
+        "web3-core": "1.2.1",
+        "web3-core-method": "1.2.1",
+        "web3-core-subscriptions": "1.2.1",
+        "web3-net": "1.2.1"
       }
     },
     "web3-utils": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.0.tgz",
-      "integrity": "sha512-tI1low8ICoaWU2c53cikH0rsksKuIskI2nycH5E5sEXxxl9/BOD3CeDDBFbxgNPQ+bpDevbR7gXNEDB7Ud4G9g==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+      "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
       "dev": true,
       "requires": {
         "bn.js": "4.11.8",
@@ -13755,14 +11728,23 @@
       }
     },
     "websocket": {
-      "version": "github:frozeman/WebSocket-Node#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-      "from": "github:frozeman/WebSocket-Node#browserifyCompatible",
+      "version": "github:web3-js/WebSocket-Node#905deb4812572b344f5801f8c9ce8bb02799d82e",
+      "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
       "dev": true,
       "requires": {
         "debug": "^2.2.0",
-        "nan": "^2.3.3",
-        "typedarray-to-buffer": "^3.1.2",
+        "es5-ext": "^0.10.50",
+        "nan": "^2.14.0",
+        "typedarray-to-buffer": "^3.1.5",
         "yaeti": "^0.0.6"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+          "dev": true
+        }
       }
     },
     "which": {
@@ -13787,39 +11769,6 @@
       "dev": true,
       "requires": {
         "string-width": "^2.1.1"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        }
       }
     },
     "window-size": {
@@ -13842,6 +11791,28 @@
       "requires": {
         "string-width": "^1.0.1",
         "strip-ansi": "^3.0.1"
+      },
+      "dependencies": {
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        }
       }
     },
     "wrappy": {
@@ -13860,9 +11831,9 @@
       }
     },
     "write-file-atomic": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.2.tgz",
-      "integrity": "sha512-s0b6vB3xIVRLWywa6X9TOMA7k9zio0TMOsl9ZnDkliA/cfJlpHXAscj0gbHVJiTdIuAYpIyqS5GW91fqm6gG5g==",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
+      "integrity": "sha512-GaETH5wwsX+GcnzhPgKcKjJ6M2Cq3/iZp1WyY/X1CSqrW+jVNM9Y7D8EC2sM4ZG/V8wZlSniJnCKWPmBYAucRQ==",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.11",
@@ -13945,9 +11916,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
       "dev": true
     },
     "yaeti": {
@@ -13963,74 +11934,33 @@
       "dev": true
     },
     "yargs": {
-      "version": "11.1.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
-      "integrity": "sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==",
+      "version": "12.0.5",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+      "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
       "dev": true,
       "requires": {
         "cliui": "^4.0.0",
-        "decamelize": "^1.1.1",
-        "find-up": "^2.1.0",
+        "decamelize": "^1.2.0",
+        "find-up": "^3.0.0",
         "get-caller-file": "^1.0.1",
-        "os-locale": "^2.0.0",
+        "os-locale": "^3.0.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^1.0.1",
         "set-blocking": "^2.0.0",
         "string-width": "^2.0.0",
         "which-module": "^2.0.0",
-        "y18n": "^3.2.1",
-        "yargs-parser": "^9.0.2"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        },
-        "find-up": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
-          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
-          "dev": true,
-          "requires": {
-            "locate-path": "^2.0.0"
-          }
-        },
-        "is-fullwidth-code-point": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^3.0.0"
-          }
-        }
+        "y18n": "^3.2.1 || ^4.0.0",
+        "yargs-parser": "^11.1.1"
       }
     },
     "yargs-parser": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
-      "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
+      "version": "11.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+      "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
       "dev": true,
       "requires": {
-        "camelcase": "^4.1.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       }
     },
     "yauzl": {
diff --git a/package.json b/package.json
index 4b9ab79bd..d9a560e05 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "openzeppelin-test-helpers": "^0.4",
     "solhint": "2.1.0",
     "solidity-coverage": "github:rotcivegaf/solidity-coverage#5875f5b7bc74d447f3312c9c0e9fc7814b482477",
-    "solidity-docgen": "^0.3.0-beta.4",
-    "truffle": "^5.0.18"
+    "solidity-docgen": "^0.3.5",
+    "truffle": "^5.0.41"
   }
 }