docs: def items(self):
          """ Iterates the set of |{key: value}| entries in :prop:key_prefix of
              :prop:_client
  
              -> yields redis (key, value) #tuples within this instance
          """
          cursor = '0'
          _loads = self._loads
          _mget = self._client.mget
          while cursor != 0:
              cursor, keys = self.scan(cursor=cursor)
              if keys:
                  vals = _mget(*keys)
                  for i, key in enumerate(keys):
                      yield (
                          key.replace(
                              self.key_prefix+":", "", 1),
                          _loads(vals[i])
                      )