Ultimate Member - WooCommerce 2.4.1

* Changed: Subscription template
* Fixed: Billing/Shipping State field using a key instead of an option's label
* Fixed: Fields' options intersect when there are extra spaces and show them on members directory filters
* Fixed: "use_option_pairs" filter
* Fixed: Issue with reviews comments object

* Tweak: Integration with Ultimate Member 2.1.3 and UM metadata table
* Added: Cancel order to account page
* Added: Integration UM Account with plugin "WCFM - WooCommerce Multivendor Marketplace"
* Fixed: Existed metadata options in select-type filters
* Fixed: Saving the billing/shipping state address
* Fixed: Payment methods popup

* 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