-+ Updated documentation (a lot)
-+ Added optional third parameter to HttpRequest::__construct() accepting an array with options
-
-- Renamed http_absolute_uri() to http_build_uri() (complements with http_build_query())
-- Changed the signature of the negotiator to fill the second parameter with the results array
-
-* Fixed several ETag issues
-* Fixed HttpRequestPools detach() and attach() methods when the iterator is active
-* Fixed parsing messages with Content-Range headers
-* Fixed parsing messages with another Transfer-Encoding header value than chunked
++ Classes HttpMessage and HttpRequestPool implement Countable if PHP >= 5.1 with SPL is available
++ Class HttpMessage implements Serializable if PHP >= 5.1 is available