public static void SpellCasterTests()
    {
        SpellCaster caster = new SpellCaster();

        GD.Print("Blank caster looks like this" + caster.ToString());

        caster = new SpellCaster(new List <Item.Types> {
            Item.Types.Crossbow, Item.Types.Spear, Item.Types.Knife
        });

        GD.Print("Caster with three spells looks like this." + caster.ToString());
    }