+* PHP-5.3 compatibility by Anatoly Belsky
+* Fixed http\Client's history handling
+* Disallow serialization of non-serializable objects
+* Fixed parsing of folded headers
+* Fixed the parsing HTTP messages from streams
+* Fixed leak in persistent handles cleanup routine
++ Added http\Url::SANITIZE_PATH; URL paths are not sanitized by default anymore
++ Added JSON Content-Type handler for request body processing if ext/json is present
++ Added missing IANA HTTP response codes
++ Added http\Message\Body::getResource()
++ Added QueryString proxy methods to http\Env\Request
++ Added Serializable to http\Message\Body's interfaces