code: def register(self, method, uri, call_back):
          
          found = False
  
          self.create_route(uri, False)
          self.routes[uri]['handlers'].register_method(method,
                                                       call_back)
docs: Register a class instance function to handle a request.
  
          :param method: string - HTTP Verb
          :param uri: string - URI for the request
          :param call_back: class instance function that handles the request
  
          :returns: n/a