-! >80% test coverage
-* Fixed http\Request\Pool with libevent2
-* Fixed http\Env\Request::getFiles() with multiple-file-uploads
-* Fixed PHP-5.3 compatibility
-* Fixed reference handling of http\Message\Body::getResource()
-* Fixed reading stream filters to correctly detect EOF of tmp and mem streams
-- Change: merge message headers with the same key
-- Change: the stream message parser can optionally return after each message
-- Change: you have to care yourself for Content headers if a message's body has a reading stream filter attached
-+ Added http\Env::getResponseStatusForAllCodes()