* Fix - Ensure that the CVV number is sent to Elavon when using a saved card or when first purchasing a subscription product
* Misc - Add support for WooCommerce 3.6 * Misc - Upgrade to Framework version 5.4 * Misc - Require PHP 5.4+
* Fix - Prevent API errors when customer details contain accented characters and exceed character limits * Misc - Add support for WooCommerce 3.5