Add decimal strict field
Refs issue #29 : Add not strict.
Support decimal.
Merge branch 'feature/decimal_and_serializer' into develop
Merge develop
Merge branch 'feature/notstrict' into develop
Bump version
Merge branch 'release/master-0.7.2'
Bump version
Fix ver 0.7.2
Fix docs.
Fix docs.
Merge branch 'master' of https://github.com/ikeikeikeike/tastypie-queryset-client