test.go

	tmpl := l.GetGlobal("Tmpl").(*lua.LTable)
	fmt.Println("Tmpl?", tmpl)
	modifiers := tmpl.RawGetString("modifiers").(*lua.LTable)
	fmt.Println("Modifiers?", modifiers)
	modifiers.ForEach(func(k, v lua.LValue) {
		fmt.Println("Modifier?", k, v)
	})

	if err := l.CallByParam(lua.P{
		Fn:      modifiers.RawGetString("firstName"),
		NRet:    1,
		Protect: true,
	}, lua.LString("josh")); err != nil {
		panic(err)
	}

	ret := l.Get(-1) // returned value
	l.Pop(1)         // remove received value
	fmt.Println("Ret?", ret)