Major site restructuring, also deleting of many unused or obsolete documents
The new structure is as follows:
<entity>/list - list all <entitie>s
<entity>/create - create a new <entity>
<entity>/show/<key fields> - public page for <entity>
<entity>/edit/<key fields> - edit a <entity>
<entity>/delete/key fields> - delete a specific entity
from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet
__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']