-+ Added INI setting http.force_exit which can be used to disable script termination
- in case of redirects and positive cache hits (instead, standard output will be discarded)
-+ Classes HttpMessage and HttpRequestPool implement Countable if PHP >= 5.1 with SPL is available
-+ Class HttpMessage implements Serializable if PHP >= 5.1 is available
-+ Added experimental http.chunked_encode and chunked_decode stream filter
-
-* Fixed a bug that caused a warning about an invalid curl handle at HttpRequestPool destruction
-* Fixed a bug with http_get_request_headers() modifying $_SERVER array
-* Fixed a bug which required "=" in Content-Range response message headers
-* Fixed a bug with directly setting HttpMessage property values