Rework the way custom class instances are created from C++
Rework the way custom class instances are created from C++

GodotNativeTools/godot-cpp,GodotNativeTools/godot-cpp,GodotNativeTools/cpp_bindings,godotengine/godot-cpp,GodotNativeTools/cpp_bindings,godotengine/godot-cpp,godotengine/godot-cpp,godotengine/godot-cpp,GodotNativeTools/godot-cpp