BUG: When you enter a value using the cart quantity field, it breaks. This is because the setquantity url is not formed properly in the ecommerce.js file.
BUG: When you enter a value using the cart quantity field, it breaks. This is because the setquantity url is not formed properly in the ecommerce.js file.

fixes #76
bummzack/silverstripe-shop,bummzack/silverstripe-shop,silvershop/silvershop-core,burnbright/silverstripe-shop,webtorque7/silverstripe-shop,markguinn/silverstripe-shop,hailwood/silverstripe-shop,burnbright/silverstripe-shop,mediabeastnz/silverstripe-shop,markguinn/silverstripe-shop,markguinn/silverstripe-shop,mediabeastnz/silverstripe-shop,bummzack/silverstripe-shop,hpeide/silverstripe-shop,hailwood/silverstripe-shop,webtorque7/silverstripe-shop,StephenHonor/silverstripe-shop,StephenHonor/silverstripe-shop,mediabeastnz/silverstripe-shop,StephenHonor/silverstripe-shop,burnbright/silverstripe-shop,webtorque7/silverstripe-shop,hailwood/silverstripe-shop