* Add ERC165Query library
* Address PR Comments
* Add tests and mocks from #1024 and refactor code slightly
* Fix javascript and solidity linting errors
* Split supportsInterface into three methods as discussed in #1086
* Change InterfaceId_ERC165 comment to match style in the rest of the repo
* Fix max-len lint issue on ERC165Checker.sol
* Conditionally ignore the asserts during solidity-coverage test
* Switch to abi.encodeWithSelector and add test for account addresses
* Switch to supportsInterfaces API as suggested by @frangio
* Adding ERC165InterfacesSupported.sol
* Fix style issues
* Add test for supportsInterfaces returning false
* Add ERC165Checker.sol newline
* feat: fix coverage implementation
* fix: solidity linting error
* fix: revert to using boolean tests instead of require statements
* fix: make supportsERC165Interface private again
* rename SupportsInterfaceWithLookupMock to avoid name clashing
* make _tokenId indexed in Transfer and Approval events
via: https://github.com/ethereum/EIPs/pull/1124/files
* fix: make name() and symbol() external instead of public
* feat: implement ERC721's ERC165
* feat: erc165 tests
* fix: don't use chai-as-promised in direct await
* fix: reorganize to /introspection
* feat: abstract all erc165 tests to a behavior
* feat: disallow registering 0xffffffff
