Ultimate Member - WooCommerce 2.4.4

* Tweak: Integration with Ultimate Member 2.1.0
* Added: Sanitize functions for request variables
* Added: esc_attr functions to avoid XSS vulnerabilities
* Added: "WooCommerce PDF Invoices" integration (PDF link to the Account orders table)
* Added: "Add payment method" tool to Account page
* Added: Billing & Shipping country fields filters
* Changed: View Order and View Subscription links URL

* Added: Memberships account tab
* Added: Templates
* Fixed: Profile Tabs
* Fixed: Uninstall Process
* Fixed: Billing/Shipping country fields values

* Added: Predefined Billing/Shipping fields
* Fixed: Change Role assign after subscription status change