更新 aof.c 的一处注释
Merge remote-tracking branch 'upstream/unstable' into unstable
添加 redis-check-aof.c 的注释
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
watchCommand注释错误修正
Merge pull request #4 from WangYulong/patch-1

watchCommand注释错误修正
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
修正 intsetMoveTail 函数的注释错误，感谢 SSS 的提醒：
http://www.redisbook.com/en/latest/compress-datastruct/intset.html#comment-905626278
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
更新 redis.c 注释中关于清理字典的代码
fix issue #5 ，感谢 @studentdeng 的提醒。
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
typo
Merge pull request #6 from yihuang/unstable

修复一个错误，感谢 @yihuang 的贡献。
Merge branch 'unstable' of github.com:huangz1990/annotated_redis_source into unstable
ci by lizherui