Add Python 3 classifier
Add Python 3 classifier

paera/django-static-precompiler,paera/django-static-precompiler,liumengjun/django-static-precompiler,jaheba/django-static-precompiler,jaheba/django-static-precompiler,jaheba/django-static-precompiler,liumengjun/django-static-precompiler,liumengjun/django-static-precompiler,liumengjun/django-static-precompiler,paera/django-static-precompiler,jaheba/django-static-precompiler,paera/django-static-precompiler,liumengjun/django-static-precompiler