Added example to help debugging EWF

This is mainly a kind of echo server .. that return the request information.

examples/debug/src/ewf_debug_server.e

@@ -0,0 +1,45 @@
+note
+	description: "[
+				application service
+			]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	EWF_DEBUG_SERVER
+
+inherit
+	WSF_LAUNCHABLE_SERVICE
+		redefine
+			initialize
+		end
+
+	APPLICATION_LAUNCHER
+
+create
+	make_and_launch
+
+feature {NONE} -- Initialization
+
+	initialize
+			-- Initialize current service.
+		do
+			Precursor
+			set_service_option ("verbose", True)
+			set_service_option ("port", 9090)
+			set_service_option ("base", "/www-debug/debug_service.fcgi")
+		end
+
+	execute (req: WSF_REQUEST; res: WSF_RESPONSE)
+		local
+			dbg: WSF_DEBUG_HANDLER
+			m: WSF_PAGE_RESPONSE
+		do
+			create dbg.make
+			dbg.execute_starts_with ("", req, res)
+			--create m.make_with_body ("This is ewf debug")
+			--res.send (m)
+		end
+
+end
+