Fixed #7471 -- If the 400 response handler raises an exception, pass control to the 500 handler (if that then raises an exception, it's just not your day).
Fixed #7471 -- If the 400 response handler raises an exception, pass control to
the 500 handler (if that then raises an exception, it's just not your day).

Patch from Leah Culver.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@7988 bcc190cf-cafb-0310-a4f2-bffc1f526a37

aparo/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel,FlaPer87/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel