code: function (method, view, locals/*, cb*/) {
      if (view.options.handled.indexOf(method) === -1) {
        this.handle.apply(this, arguments);
      }
      this.emit(method, view, locals);
    }
docs: Run the given handler only if the view has not
  already been handled by the method
  
  @name .handleView
  @param  {Object} `collection` Collection name
  @param  {Object} `locals`
  @return {Array} Returns an array of view objects with rendered content.