- Django 1.8 support and preliminary Django 1.9 support
- made 'ops' config option to accept single string
- added invalidate_fragment()
- added a way to get/set/delete function cache easily
- added redis.TimeoutError to degradation handling (George Kappel)
- fixed invalidation on QuerySet.bulk_create(),
worked only from Manager previously
- fixed .bulk_create() API to comply with Django
- minor optimizations