Made raw_id_admin work with non-integer primary keys
Made raw_id_admin work with non-integer primary keys

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@790 bcc190cf-cafb-0310-a4f2-bffc1f526a37

sam-tsai/django-old,skevy/django,django-nonrel/django-nonrel,alex/django-old,Instagram/django,t11e/django,dcramer/django-compositepks,jamespacileo/django-france,sam-tsai/django-old,django-nonrel/django-nonrel,sam-tsai/django-old,alex/django-old,hugs/django,rawwell/django,alex/django-old,bfirsh/django-old,hugs/django,jamespacileo/django-france,t11e/django,Smarsh/django,disqus/django-old,mitsuhiko/django,jamespacileo/django-france,t11e/django,Smarsh/django,disqus/django-old,rawwell/django,disqus/django-old,dcramer/django-compositepks,Smarsh/django,rawwell/django,skevy/django,django-nonrel/django-nonrel,skevy/django,Instagram/django,mitsuhiko/django,mitsuhiko/django,bfirsh/django-old,Instagram/django,bfirsh/django-old,hugs/django,sam-tsai/django-old,dcramer/django-compositepks,Smarsh/django