Merge pull request #69 from DamnWidget/master

Added controllers and models subpackages
Merge pull request #70 from DamnWidget/master

Bug fixes and improvements on the unittest tools for mamba
Merge pull request #71 from DamnWidget/master

PyPy psycopg2 storm fix
Merge pull request #72 from DamnWidget/master

GNU/Linux fixes for fixtures tests
Merge pull request #73 from DamnWidget/master

Improvements and fixes on unittest tools
Merge pull request #74 from DamnWidget/master

fixed bug on store and _valid_store of fixtures