add T_PRINT operator and PHP constants

* fix for use Foxway\Runtime::$time instead of $GLOBALS['wgFoxwayTime']
* fix for use self::getNextToken
* fix for pcre functions, add namespace Foxway before ExceptionFoxway

Time: 385 ms, Memory: 24.75Mb
OK (402 tests, 408 assertions)

Change-Id: I3cef8f07f5fe3f541dc819f9e449597483f50c23