New: added a filter to register the script URL
Fix: hide select in case of single amount in product page
Fix: error when try to upload an image and the limit is 0
Dev: added a new filter in to the shop url in email button
Tweak: Checking if the gift card is object
Fix: Aelia compatibility when adding to the cart selecting amount of a gift card and gift this product
Fix: Wrong calculation on shipping total row
