code: def twin
        h = self.as_json
        h.delete(Parse::Model::OBJECT_ID)
        h.delete(:objectId)
        h.delete(:id)
        self.class.new h
      end
docs: This method creates a new object of the same instance type with a copy of
   all the properties of the current instance. This is useful when you want
   to create a duplicate record.
   @return [Parse::Object] a twin copy of the object without the objectId