def read_list(name)
      opts = self.class.persisted_attrs[name]

      if !lists[name] && opts[:default]
        opts[:default]
      else
        send("#{name}=", lists[name].value) if lists[name].is_a?(Redis::Future)
        lists[name]
      end
    end
def read_list(name)
      opts = self.class.persisted_attrs[name]

      if !lists[name] && opts[:default]
        opts[:default]
      else
        send("#{name}=", lists[name].value) if lists[name].is_a?(Redis::Future)
        lists[name]
      end
    end
Transform and read a list attribute