-! >80% test coverage http://goo.gl/YCV74
-* Fixed http\Env\Response throttling
-* Fixed http\Env\Response caching by last-modified
-* Fixed http\Message::addBody()
-* Fixed http\Message::parentMessage write access
-* Fixed crash with freed but not nulled event_base pointer
-* Fixed crash with null pointer dereference on http\Encoding\Stream::flush()
-* Fixed some memory leaks
-+ Added http\Header::negotiate()
-+ Added http\Header::parse()