-- var_dump(http\Message) no longer automatically creates an empty body
-+ Added http\Message\Parser class
-+ Made http\Client::once() and http\Client::wait() available when using events
-+ Added http\Url::parse() method
-+ Added http\Url::PARSE_MBLOC, http\Url::PARSE_MBUTF8, http\Url::PARSE_TOIDN and http\Url::PARSE_TOPCT constants
++ Added support for HTTP2 if libcurl was built with nghttp2 support.
++ Added http\Client\Curl\HTTP_VERSION_2_0 constant (libcurl >= 7.33.0)
++ Added pinned_publickey SSL request option (libcurl >= 7.39.0)