@tomdz Hello!

It's same to current Tuple class's behavior.
Actually I think It may lead confusion with keep both version of cursor, so we need another class if we need to communicate with byte[] cursor without conversion. 
(Same strategy applied to Tuple.)

But I also think encoding isn't slow to affect performance. If encoding is slow, all Jedis methods will be too slow to use.
Do you use BinaryJedis instead of Jedis for higher performance?