title: Redis zrange and zrangebyscore
body: <p>Are these 2 Redis commands different, except for the second having optional <code>LIMIT</code> argument?
  <a href="http://redis.io/commands/zrange" rel="noreferrer">http://redis.io/commands/zrange</a> 
  <a href="http://redis.io/commands/zrangebyscore" rel="noreferrer">http://redis.io/commands/zrangebyscore</a></p>