fix title

Signed-off-by: Wei Jin <wjin.cn@gmail.com>
add post: redis intset

Signed-off-by: Wei Jin <wjin.cn@gmail.com>
add post: redis skiplist

Signed-off-by: Wei Jin <wjin.cn@gmail.com>
fix redis dictionary post

Signed-off-by: Wei Jin <wjin.cn@gmail.com>