docs: def as_list(self):
          """
          returns a list version of the object, based on it's attributes
          """
          if hasattr(self, 'cust_list'):
              return self.cust_list
          if hasattr(self, 'attr_check'):
              self.attr_check()
          cls_bltns = set(dir(self.__class__))
          ret = [a for a in dir(self) if a not in cls_bltns and getattr(self, a)]
          return ret