xetorthio/jedis — pull request #685 by HeartSaVioR (2014-08-04 00:33:25+00:00)
Title: Fixed critical JedisCluster bug : hlen calls hdel

Thank @wasifevive for finding critical bug from #683.
It causes data loss, and users can confuse hdel's result to hlen's result, so it's working.
So it's serious bug.