Adding all the parameters of the request

Now it's available:
* %root_uri%        Replaced with the root URI of the request.
* %resurce_uri%     Replaced with the resource URI of the request.
* %content_type%    Replaced with the content type of the request.
* %media_type%      Replaced with the media type of the request.
* %content_charset% Replaced with the content charset of the request.
* %content_length%  Replaced with the content length of the request.
* %host%	    Replaced with the host of the request.
* %host_with_port%  Replaced with the host with the port of the request.
* %port%            Replaced with the port of the request.
* %scheme%          Replaced with the scheme of the request.
* %path%            Replaced with the path of the request.
* %url%             Replaced with the url of the request.
* %ip_address%	    Replaced with the ip address of the request.
* %referer%         Replaced with the referer of the request.
* %user_agent%      Replaced with the user agent of the request.