code: def handle_json_GET_routes(self, params):
      
      schedule = self.server.schedule
      result = []
      for r in schedule.GetRouteList():
        result.append( (r.route_id, r.route_short_name, r.route_long_name) )
      result.sort(key = lambda x: x[1:3])
      return result
docs: Return a list of all routes.