YITH WooCommerce Bulk Product Editing Premium 3.15.0

* New - support to WooCommerce 3.4
* New - support to WordPress 4.9.6
* New - sorting by menu order
* New - possibility to round prices on bulk editing
* New - filter by Shipping class
* Update - Spanish language
* Update - plugin framework
* Fix - variation names
* Fix - translation issues
* Fix - clone issue with PHP 7
* Fix - save_post action params
* Tweak - fixed doc url

New - support to WooCommerce 3.3
Update - Plugin Framework
Fix - price filter issue with decimals

• New - filter by Status
• Update - Plugin Framework 3
• Fix - negative stock quantity issue in variation products
• Fix - WPML language issue
• Fix - prevent issue when clicking on Bulk Editor buttons
• Fix - issue when filtering by price