public StringObject()
{
this.SetValue("toUpperCase", new LambdaCallable(ToUpperCase));
this.SetValue("toLowerCase", new LambdaCallable(ToLowerCase));
this.SetValue("substring", new LambdaCallable(Substring));
this.SetValue("substr", new LambdaCallable(Substr));
this.SetValue("charAt", new LambdaCallable(CharAt));
this.SetValue("concat", new LambdaCallable(Concat));
this.SetValue("slice", new LambdaCallable(Slice));
}