'Return a dict of configuration entries for this Tool.'

def _merged_args(self, d=None):

    if d:
        conf = d.copy()
    else:
        conf = {}
    tm = cherrypy.serving.request.toolmaps[self.namespace]
    if (self._name in tm):
        conf.update(tm[self._name])
    if ('on' in conf):
        del conf['on']
    return conf
