Add missing TODOs to soc.logic.models classes. Fix comments format in base.Logic class. Changes based on comments to r972. http://code.google.com/p/soc/source/detail?r=972 Patch by: Pawel Solyga

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

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