[HIGH - Trunk 5.2 Rev.2118] Modules submenu doesn't appear in server rev 2118

All this is for OpenERP Server 5.2 trunk - revision 2118

When trying to update the modules list (or access to any option in the submenu 'Modules Management'), there are no options. It seems that server doesn't read more than 20 elements with the same parent (before there was no limit).

I have done a patch that fix this one. It only changes
   def __init__(self, obj, fields_id, string='unknown', limit=20, **args):
by
   def __init__(self, obj, fields_id, string='unknown', limit=None, **args):