Fixed bug in metasystem method_get_next_in_order and method_get_previous_in_order, related to [549]
Fixed bug in metasystem method_get_next_in_order and method_get_previous_in_order, related to [549]

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@570 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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