function appendMethods(list, addition) {
  for (var i = 0; i < addition.length; i++) {
    var method = addition[i];
    if (list.indexOf(method) === -1) {
      list.push(method);
    }
  }
}
Create a new Route for the given path.

Each route contains a separate middleware stack and VERB handlers.

See the Route api documentation for details on adding handlers
and middleware to routes.

@param {String} path
@return {Route}
@public