Added link to edit the Document on the Document's public page.
This link will only show if the user is allowed to edit the document.
Fixes issue 271.
Update issue 271
Owner: ljvderijk
from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet
__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']