Get a child :class:`Router` by its :attr:`name`.

        This method search child routes recursively.

def get_route(self, name):
        '''Get a child :class:`Router` by its :attr:`name`.

        This method search child routes recursively.
        '''
        for route in self.routes:
            if route.name == name:
                return route
        for child in self.routes:
            route = child.get_route(name)
            if route:
                return route