WooCommerce PDF Vouchers - WordPress Plugin 4.9.9

* [*] Fix: Removed extra br from preview on single product page.

= Version 3.5.8 =
* [+] New: Added option to Auto enable/disable coupon code generation at product level.

= Version 3.5.7 =
* [+] New: Added Preview feature for users to see how their gift voucher will look before placing the order.

= Version 3.5.6 =
* [*] Fix: PHP 7.1 warnings on product page.

= Version 3.5.5 =
* [+] New: Added PDF voucher password protection feature.
* [+] New: Added an option to make voucher coupons valid for specific products.
* [*] Fix: Resolved an issue with voucher attachment not being sent when order status is processing.