[SOLVED] How to trigger emails of Failed Orders in WooCommerce

Update on February 3rd, 2016: As of version 2.5 of WooCommerce, this functionality is now built into the WC Core. This plugin is not needed. See the WC 2.5 Changelog for more details.   Following the lead from this blog post by SkyVerge, I set upon to create email notifications when an order fails. Essentially,…