[web] add a Forbidden exception
This is similar to the Unauthorized exception, but generates a 403 error
instead of a 401 (Unauthorized)
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s specific hooks and operations"""