[PECL-DEV] publish the swSerialize to pecl

[gone xinhua]

hi,im xinhua.guo(woshiguo35),the cto of jiyoubang360.com,the maintainer of 
swoole-src and php-cp（https://github.com/swoole/php-cp）.

let me introduce my new extension ,it is called 
swoole-serialize（https://github.com/swoole/swoole_serialize），is the fastest 
serialize function bound for php7，trust it is really fast,run bench.php or you 
can bench it use your apps data.

you can use is like this:

$str = swSerialize::pack($arr);
$arr = swSerialize::unpack($str);


or


$str = swSerialize::fastPack($arr);
$arr = swSerialize::unpack($str);