code: def range(self, start='-', stop='+', count=None):
          
          return self.database.xrange(self.key, start, stop, count)
docs: Read a range of values from a stream.
  
          :param start: start key of range (inclusive) or '-' for oldest message
          :param stop: stop key of range (inclusive) or '+' for newest message
          :param count: limit number of messages returned