CHANGES in huDjango

0.86p2 ZimbraBackend now can handle instances where there is more than one user with the same email address,
       auth.decoratiors.deny_unless_user_passes_test

0.86 adds serializers.queryset_to_xls()

0.85p3 removed debugging output in template tags

0.85p2 Der @require_login decorator erzwingt jetzt keine HTTP-Authentifizierung mehr, wenn der Client bereits per Django Session authentifiziert wurde.

0.85 deumlaut filter

0.84p3 besserer Umgang mit fehlenden Attatchmentnamen

0.84p2 even more robust clienttracking - strange what browsers do to cookies

0.84 added format_addressproto, more robust clienttracking

0.83p2 don't generate links for empty image IDs, fixed {% imageid ... urlonly %} templatetag

0.83 require_login decorator added

0.82 improved ImageServerStorage
     implemented template tag "imageid"

0.81 added ClientTrackMiddleware

0.75 Added two validators: IsLessOrEqualThanOtherField and IsLessOrEqualThan.
