Revert "Merge pull request #5 from BorisChumichev/master"

This reverts commit c0fe8eeb04188ab7c36a8ef9e33c4a8a8c7adc16, reversing
changes made to 2ba8b939f06d33cdae05840080edf954eb40eae3.

Resolves https://github.com/kraken-io/kraken-node/issues/7