jigoshop/jigoshop — pull request #634 by chriscct7 (2012-08-03 15:27:54+00:00)
Title: Commit to allow for positive and negative coupon amounts

Fixes issue that if a negative percent or discount amount is entered on the new coupon form, it will make the cart subtract the intended value. With current system, if you add a coupon for cart discount of -2.00 it adds $2. With this commit, -2.00 would subtract $2 from cart.