Removed the iexact lookup from the pk lookup because it was taking an egregious extra time to do the query.
Removed the iexact lookup from the pk lookup because it was taking an egregious extra time to do the query.

git-svn-id: c51ad3c29908b5b87ec69c3dfc05023817588883@77 a3a5eddf-6203-49af-8a4a-b68c2cc3a614

callowayproject/django-supertagging,callowayproject/django-supertagging,callowayproject/django-supertagging