YITH WooCommerce Subscription Premium 3.4.0

* Update: Language files
* Update: Plugin Framework version 3.0.21
* Dev: Added filter 'ywsbs_add_shipping_cost_order_renew'
* Fix: Multiple subscription products on cart
* Fix: Renew Reminder cron
* Fix: Email templates
* Fix: Show subscription total on the checkout page if setting max length option.
* Fix: IPN log of posted arguments

* New: Integration with YITH Stripe Connect for WooCommerce from version 1.1.0
* New: Added payment method column and filter on Subscription List Table
* New: Added new option to show "Renew Now" button on My Account > Orders: if a renew order has at least one failed payment (not for all gateways)
* Update: Language files
* Fixed: The "Pause" button was only being displayed to admin.

* New: Edit details from subscription admin edit page ( only for subscription paid with YITH PayPal Express Checkout for WooCommerce )
* New: Added subscription number in order list
* Update: Plugin Framework version 3.0.17
* Update: Language files
* Fix: My Account Errors
* Fix: HTML Price when Max Length option is set
* Fix: My account endpoint
* Fix: Fixed columns in order list
* Fix: Fix api handler + refund for recurring payment standard PayPal