Rename checkHasActiveRole to checkHasActiveRoleForScope
This is to prepare for a checker that checks if the user has any such
role, regardless of scope.
Patch by: Sverre Rabbelier
from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet
__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']