perms object is no longer passed to builtins or filters, we use user instead
(it seems that perms content is different with Django 1.2)
#48 : I think I've found a way to include templatetags dynamically, using add_to_builtins.
Postfix Autoreply plugin is not a real plugin... I've begun the conversion but it will cause a modification into the SQL schema and I don't know how to handle migrations yet...