give some more control over request params and their entries for the end-developers

Former-commit-id: 91362d3de5c63faf0d124e66747e40ad0df04fbb

_examples/structuring/bootstrap/main.go

@@ -6,9 +6,14 @@ import (
 	"github.com/kataras/iris/_examples/structuring/bootstrap/routes"
 )
 
-func main() {
+func newApp() *bootstrap.Bootstrapper {
 	app := bootstrap.New("Awesome App", "kataras2006@hotmail.com")
 	app.Bootstrap()
 	app.Configure(identity.Configure, routes.Configure)
+	return app
+}
+
+func main() {
+	app := newApp()
 	app.Listen(":8080")
 }