code: function(newRoutes)
      {
          for(var key in newRoutes)
          {
              if(routes.hasOwnProperty(key))
              {
                  if(typeof routes[key] == 'Array')
                  {
                      routes[key].push(newRoutes[key]);
                  }
                  else
                  {
                      routes[key] = [routes[key],newRoutes[key]];
                  }
              }
              else
              {
                  routes[key] = newRoutes[key];
              }
          }
      }
docs: define route merge method