use \Workerman\Lib\Timer is erroneous

[kraepelien]

The use-statement for the Timer-class is erroneous.

phpsocket.io/src/Engine/Socket.php

Line 4 in 04e8b8a

use \Workerman\Lib\Timer;

https://github.com/walkor/workerman/tree/master/src

Is should solely be use \Workerman\Timer;

"workerman/phpsocket.io": "dev-master",
"workerman/phpsocket.io-emitter": "dev-master",