lionhuo

@sazzad16 It is expected that the user would be careful to avoid these situations. yes, you are right but it may be cause some confusion, for me, execute command, hset...

@yangbodong22011 > the pipeline is no longer available, this is incompatible with the previous semantics ok, noted i think `Pipeline ` is the resource, it is the same with `Jedis`,...

> the following code is just one more line. you are right but i think get `Pipeline` from the pool，It reinforces `Pipeline` is a independent resource of `Jedis` and user...