more route info improvements

Former-commit-id: ccbe95de0badb1bf448fcc443cecda60772716dc

_examples/dependency-injection/basic/main.go

@@ -35,6 +35,8 @@ func configureAPI(api *iris.APIContainer) {
 
 func main() {
 	app := iris.New()
+	app.Logger().SetLevel("debug")
+
 	app.ConfigureContainer(configureAPI)
 	app.Listen(":8080")
 }