Results 2 issues of Ybb

对相同的name key 设置返回False,但实际已经设置成功 ``` >>> db.zincr('test', 'a', 1) 3 >>> db.zincr('test', 'a', 1) 4 >>> db.zset('test', 'a', 6) False >>> db.zdel('test', 'a') True >>> db.zset('test', 'a', 6) True >>> db.zset('test',...