Added WSF_SERVICE.to_wgi_service to ease direct integration with existing WGI components

draft/library/server/request/rest/tests/src/gateway/cgi/rest_service_gateway.e

@@ -10,7 +10,7 @@ feature -- Access
 		local
 			cgi: WGI_CGI_CONNECTOR
 		do
-			create cgi.make (Current)
+			create cgi.make (to_wgi_service)
 			cgi.launch
 		end
 

draft/library/server/request/rest/tests/src/gateway/nino/rest_service_gateway.e

@@ -18,7 +18,7 @@ feature -- Access
 				print ("Example: start a Nino web server on port " + port_number.out +
 					 ", %Nand reply Hello World for any request such as http://localhost:" + port_number.out + "/" + base_url + "%N")
 			end
-			create app.make_custom (agent wgi_execute, base_url)
+			create app.make_custom (to_wgi_service), base_url)
 			app.force_single_threaded
 
 			app.listen (port_number)

draft/library/server/request/rest/tests/src/handler/app_request_helper.e

@@ -84,7 +84,7 @@ feature -- Helpers
 				end
 				rep_data.set_message (s)
 			end
-			rep_data.send (res)
+			res.send (rep_data)
 			rep_data.recycle
 		end