version 0.7.1 - bugfix on reqs versions
Merge branch 'master' of github.com:multmeio/django-hstore-flattenfields
Merge branch 'master' of github.com:multmeio/django-hstore-flattenfields
fix recurrent bug that didn't cache in global. It's needed.
Merge branch 'master' of github.com:luanfonceca/django-hstore-flattenfields into luanfonceca-master
Merge pull request #6 from luanfonceca/master

Adding tests for ModelFields: Decimal, Date and DateTime.
Update CONTRIBUTORS.md