Added logic for Survey and SurveyRecord. The logic for the SurveyRecord will be seperated within the upcoming days. Patch by: James Levy, Daniel Diniz, Lennard de Rijk Reviewed by: Lennard de Rijk

from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet

__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']