* New: support WooCommerce 4.0
* New: support WordPress 5.4
* New: added the YITH Wishlist buttons in the form
* New: added the plugin shortcodes to the Elementor panel
* Update: updated plugin fw
* New: support WooCommerce 3.8
* New: minor integration with the Atum Stock Manager plugin, now is possible to display the Atum stock info in the form
* Update: updated plugin fw
* Update: Italian language
* Update: Spanish language
* Fix: fixed the add to quote button in the variations
* Dev: completely deleted the sessions in the plugin
* Dev: added an is_object check to avoid a php warning
