update todo list

Author: Simon Ninon

README.md

@@ -105,8 +105,7 @@ int main(void) {
 * Making reflection on the same object
 * Getting a reflectable object
 * Providing facility functions (for example, unregister member function or type)
-* Passing arguments during reflection [IN PROGRESS]
-* Reflection on non-member function
+* Reflection on non-member function (static, C-fct)
 * ...
 
 ## Author