Merge pull request dapperlabs#10 from dapperlabs/change-sc-hash-for-h…

…ex-challenges

Change sc hash for hex challenges

Merge pull request dapperlabs#9 from dapperlabs/eoa-hex-decode

EOA hex decode

Merge pull request dapperlabs#7 from dapperlabs/improve-errors

Refactor errors

Merge pull request dapperlabs#7 from dapperlabs/improve-errors

Refactor errors

Merge pull request dapperlabs#5 from dapperlabs/kan/go-mod

go mod

Merge pull request dapperlabs#4 from dapperlabs/update-readme

Update readme

Merge pull request dapperlabs#3 from dapperlabs/pivot-to-1271

Pivot to ERC-1271 from ERC-725

Update README.md