* New: support WooCommerce 3.8
* Update: Spanish language
* Update: Italian language
* Update: updated plugin core
* Fix: added empty value to avoid warning when do stripslashes callback
* New: support WooCommerce 3.7
* Tweak: prevent problem when plugins or theme remove rel=prettyPhoto
* Update: language files
* Update: updated plugin core
* Fix: note not showed inside email
* Fix: fixed minor issue with the remove file process
* Dev: updating minified JS
* Dev: changed outdated methods by getters
* New: Show link email for upload on orders
* Tweak: Added a load animation when the file is uploaded
* Tweak: Deleted all commented code
* Update: Plugin-fw
* Dev: Action ywau_after_order_upload_link
