+! >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()