Now hdel/rpush/lpush/sadd/srem/zrem support Set/List
Add methods accepting Set/List<String/byte> overloads
Fix bug: in ZADD's params, the Map's key should be member not score.
Add Variadic Commands Test for Set/List params
Junit test has been submmitted
btw, comment imleon@6f570da should also fix a bug of zadd
For now we don't need it now, cause we already have too many methods. Please comment this if you disagree. Thanks!