YITH Stripe Connect for WooCommerce Premium 2.31.0

• New WooCommerce 3.5-rc support
• New WordPress 4.9.8 support
• Tweak Updated plugin framework
• Update Italian language
• Update Dutch language
• Fix Some warning and notice if $order doesn't exist
• Fix Name of american express logo file
• Fix Gateway now works on page "pay order"
• Fix Minified js files
• Dev Added filter yith_wc_stripe_connect_credit_cards_logos_width

New: Integration with YITH WooCommerce Subscription Premium from v 1.4.6
Update: Language files
Update: plugin framework to latest revision

* Dev: yith_wcsc_process_product_commissions to check if process the current product or not
* Dev: yith_wcsc_process_order_commissions to check if process the current order or not