Better handling of creating EvalValues in UserData templates

src/UserData/UserDataTemplates.hpp

@@ -92,7 +92,7 @@
 */
 #define PORYGON_PREPARE_FUNCTION(userDataTypeName, fieldName, returnType, ...) \
     static Porygon::Evaluation::EvalValue* invoke__##fieldName(void* obj, Porygon::Evaluation::EvalValue* par[], int parameterCount){ \
-        return new returnType(((userDataTypeName*)obj)->fieldName( \
+        return Porygon::Evaluation::EvalValueHelper::Create(((userDataTypeName*)obj)->fieldName( \
                 __VA_ARGS__ \
             ));}