Added student_proposal view. Note that the access checks still need to be done and other functionality like ranking/scoring and withdrawal of the application are not in yet. 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']