Hao (Alan) Tang 18552a8d5f Fix/add comment erc721 burnable #1464 (#1469) ...

* fix Add a comment to ERC721Enumerable #1465

* fix Add comments to ERC721Burnable #1464

2018-11-01 15:15:04 -03:00

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ERC20

Deleted unnecessary import. (#1437)

2018-10-18 18:43:44 -03:00

ERC721

Fix/add comment erc721 burnable #1464 (#1469)

2018-11-01 15:15:04 -03:00