class over to use queryset operations. This is the first part of a long process
of removing raw SQL from all over the place. The tests pass, but it's quite
possible other stuff won't work yet.
In the process, added tests for order_with_respect_to so that I didn't screw it
up.
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7048 bcc190cf-cafb-0310-a4f2-bffc1f526a37
