Moved clean_club_app_link_id to cleaning.
This method is now also used by the club create_form. Which means that you cannot create a new club with an already reserved link_id until the club application has been rejected.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet
__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']