source/Router.js
function Router (routes) {
  this._routes         = [];
  this._not_found      = null;
  this._not_found_path = '/404';
  
  if (arguments.length === 1) {
    this.addRoutes(routes);
  }
}
function Router (routes) {
  this._routes         = [];
  this._not_found      = null;
  this._not_found_path = '/404';
  
  if (arguments.length === 1) {
    this.addRoutes(routes);
  }
}
function Router ( routes ) { this . _routes = [ ] ; this . _not_found = null ; this . _not_found_path = '/404' ; if ( arguments . length === 1 ) { this . addRoutes ( routes ) ; } }
Router ====== constructor ----------- create a router ### optional arguments **routes**  : routes to add
Router ====== constructor ----------- create a router ### optional arguments ** routes ** : routes to add