Cache content types for classes.
Change get_objects_for_user so it creates much more efficient queries when not using groups.
Change get_objects_for_user so it creates much more efficient queries when not using groups.
Whoops.
Add test to give get_objects_for_user 100% coverage again.
Merge faster_get_objects_for_user. Fix conflict.
Merge branch 'master' of https://github.com/lukaszb/django-guardian
Add me to authors.
Don't cache content type. Django already caches this.
Work around some DBs hating comparisons between chars and ints.
Merged from devel