Added WSF_ROUTER_ITEM to replace a structure represented with named TUPLE

Added debug_output to ease debugging

library/server/wsf/router/support/uri_template_with_context/wsf_uri_template_context_mapping.e

@@ -10,6 +10,8 @@ class
 inherit
 	WSF_ROUTER_CONTEXT_MAPPING [C]
 
+	DEBUG_OUTPUT
+
 create
 	make,
 	make_from_template
@@ -33,6 +35,14 @@ feature -- Access
 
 	template: URI_TEMPLATE
 
+feature -- Status report
+
+	debug_output: STRING
+			-- String that should be displayed in debugger to represent `Current'.
+		do
+			Result := "URI-template: " + template.template
+		end
+
 feature -- Element change
 
 	set_handler	(h: like handler)