I think I've found a bug in the in checkout_shipping.php that will allow customers to get free shipping, even when they haven't met the required amount. I saw it happen more frequently in my shop where people get free shipping for no reason and think I have found the bug.   When it happens: If you have set up your store to charge, for instant, 5,00 for shipping but give free shipping from a certain amount, lets say 20,00, and the customer places a order of 16,00. Then the customer goes