Changelog
61810ff Added get historical tickers support
3d8e992 Added more test cases
ca83ad7 Bump version
a86d1d1 Fixed test
3ea5f67 Merge pull request #5 from tonicpow/feature/currency-conversion
b2721df More test cases
a397a97 Upgraded go-preev
5ea892d Using context in most methods now
