thanks for this addon but i seem to have an issue. I installed the latest version of this addon which is labeled 1.8 but when i unzip the inside folder says version 1.7. i run OSC 2.2 rc2 and it all appears to work ok but when i click buy now on some items with no attributes it makes the price a - figure, and when i checkout the total will show for example -$60.00 and the cart will subtrack that amount from whatever other items are in the cart.