Replaced boolean properties in soc/models/group_app with status property. This property has 5 choices ['accepted','rejected','ignored','needs review','completed'] 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']