Version bump ready for PyPI release
Version bump ready for PyPI release

Also, add language classifiers for supported Python
versions.

Nikola-K/django-recurrence,django-recurrence/django-recurrence,django-recurrence/django-recurrence,FrankSalad/django-recurrence,Nikola-K/django-recurrence,FrankSalad/django-recurrence,linux2400/django-recurrence,linux2400/django-recurrence