Removed any "format" related query from router lib, this is too application specific to be there.

Better handling of base_url for REQUEST_ROUTER

library/server/wsf/router/uri/request_uri_router_i.e

@@ -11,7 +11,8 @@ inherit
 	REQUEST_ROUTER [H, C]
 
 create
-	make
+	make,
+	make_with_base_url
 
 feature -- Initialization
 
@@ -21,6 +22,14 @@ feature -- Initialization
 			handlers.compare_objects
 		end
 
+	make_with_base_url (n: INTEGER; a_base_url: like base_url)
+			-- Make router allocated for at least `n' maps,
+			-- and use `a_base_url' as base_url
+		do
+			make (n)
+			set_base_url (a_base_url)
+		end
+
 feature -- Registration
 
 	map_with_request_methods (p: READABLE_STRING_8; h: H; rqst_methods: detachable ARRAY [READABLE_STRING_8])