func Unproxify(L *lua.State) int {
	if !isValueProxy(L, 1) {
		L.PushNil()
		return 1
	}
	v, _ := valueOfProxy(L, 1)
	GoToLua(L, v)
	return 1
}
func Unproxify(L *lua.State) int {
	if !isValueProxy(L, 1) {
		L.PushNil()
		return 1
	}
	v, _ := valueOfProxy(L, 1)
	GoToLua(L, v)
	return 1
}
// Unproxify converts a proxy to an unproxified Lua value.
//
// Argument: proxy
//
// Returns: value (Lua value)