More work on SSL support.

You can now accept SSL connections using SSLListeners, and then send/receive data through the associated SSLSocket.

HttpSocket's now support both HTTP and HTTPS, using templates:

fr::HttpSocket<fr::SSLSocket> https_socket; 
fr::HttpSocket<fr::TcpSocket> http_socket;

src/HttpRequest.cpp

@@ -129,7 +129,6 @@ namespace fr
         //Add in the body
         request += body + "\n";
 
-        std::cout << "constructed: " << std::endl << request << std::endl;
         return request;
     }
 }