def rangebyscore sscore, escore, opts={}
      echo :rangebyscore, caller[0] if Familia.debug
      el = rangebyscoreraw(sscore, escore, opts)
      multi_from_redis *el
    end
def rangebyscore sscore, escore, opts={}
      echo :rangebyscore, caller[0] if Familia.debug
      el = rangebyscoreraw(sscore, escore, opts)
      multi_from_redis *el
    end
e.g. obj.metrics.rangebyscore (now-12.hours), now, :limit => [0, 10]