- (started) SORT with STORE option (tests needed)
- (started) ZADD (tests needed)
- (started) ZREM (tests needed)
- (started) ZRANGE (tests needed)
- (started) ZREVRANGE (tests needed)
- (started) ZRANGEBYSCORE (tests needed)
- (started) ZCARD (tests needed)
- (started) ZSCORE (tests needed)
- (started) SRANDMEMBER (tests needed)
- (not started) MSET (waiting for the dust to settle)
- (not started) MSETNX