* Fixed: Compatibility issue with AeroCheckout break checkout styles.
* Tweak: Improve compatibility with sites where woocommerce_before_add_to_cart_button hook is not available.
* Fixed: Product Add-ons issue: duplicate add-ons in the free product for the rule "Buy a product and get the same product for free."
* Fixed: Add the Minimum spend field to the wmpl config file.
* Fixed: RTL support for the "arrow" shown in the subtotal of items that have a discount
