def slaves
      RRRSpec.redis.lrange(RRRSpec.make_key(key, 'slave'), 0, -1).map do |key|
        Slave.new(key)
      end
    end
def slaves
      RRRSpec.redis.lrange(RRRSpec.make_key(key, 'slave'), 0, -1).map do |key|
        Slave.new(key)
      end
    end
Public: Return an array of slaves