* Feature - Implement the Shipwire Return API
* Feature - Cancel associated orders in Shipwire when a WooCommerce order is cancelled
* Tweak - Send Company Name to Shipwire on new orders which specify a company name
* Tweak - Add tracking information to order notes when it becomes available
* Tweak - Add shipwire status to admin order preview modal for WC 3.3+
* Misc - Add support for WooCommerce 3.3
* Misc - Remove support for WooCommerce 2.5