Merge pull request #1 from fanatid/master

fix for cc-wallet-core
Merge branch 'master' of github.com:chromaway/coloredcoinjs-lib
Merge branch 'master' of https://github.com/fanatid/coloredcoinjs-lib
Merge branch 'master' of https://github.com/fanatid/coloredcoinjs-lib
Merge branch 'master' of https://github.com/fanatid/coloredcoinjs-lib