lukaszb/django-guardian — pull request #99 by stringfellow (2012-12-11 12:44:05+00:00)
Title: Added RawIdGuardedModelAdmin (and related classes) for easier lookups.

This is a fairly low complexity fix to allow the GuardedModelAdmin to have a raw ID lookup for user/group.

I use a project in which usernames are hashes so trying to type it out is no good, this solves it.