Refactor.
Refactor.
Delete checking hash from tests.
Hardcode json separators.
Test python3.4.
Refactor.
Merge pull request #21 from serathius/refactor

Refactor
Merge pull request #22 from serathius/34support

Test python3.4.
Merge pull request #20 from serathius/generate_own_id
Refactor.
Refactor.
Refactor.
Refactor.
Update old ids.
Refator.