Only do the update routine when the status changes for group_app's and role requests.
This helps prevent spamming multiple notifications.
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']