* Feature - Create and manage multiple custom formats for order, customer, and coupon exports
* Misc - Update the SkyVerge Plugin Framework to version 5
* Tweak - Drop support for legacy export formats in fresh installations of the plugin
* Fix - Exclude auto-draft orders from order export
* Fix - Fix load mapping functionality for Coupons custom format
* Fix - Address a bug that may have produced a PHP warning in the system status report admin page
* Fix - Bail out from writing rows to CSV that may contain empty data and cause file download issues in some circumstances
* Fix - Fix an error which could occur when running certain third-party plugins
* Dev - Filter the maximum age of stored exports
* Misc - Add support for WooCommerce 3.6
