'Return any variables matched in the URL (e.g.,
``wsgiorg.routing_args``).'

def urlvars(self):

    if ('paste.urlvars' in self.environ):
        return self.environ['paste.urlvars']
    elif ('wsgiorg.routing_args' in self.environ):
        return self.environ['wsgiorg.routing_args'][1]
    else:
        return {}
