class Redis

def zrangebyscore(key, min, max, options = {})

Return a range of members in a sorted set, by score. 
def zrangebyscore(key, min, max, options = {})
  command = CommandOptions.new(options) do |c|
    c.splat :limit
    c.bool  :withscores
    c.bool  :with_scores
  end
  synchronize do
    @client.call(:zrangebyscore, key, min, max, *command.to_a)
  end
end