* Sync refunds on order sync
* Separate order and refund class extensions
* Add customer functions to order and refund classes
* Change products store to work with refund amounts
* Return early for refunds in coupon data store
* Allow refund processing in tax data store
* Remove unused refund amounts from tables and data stores
* Change order counts to parse out refund entries
* Include refunded orders in default queried statuses
* Only process order number filter on shop order post types
* Extract shared order and refund methods to trait
* Fix renamed schedule_single_order_import method
* Bump PHP and WP version requirements
* Add store notice around processing historical data.
* Cleanup
* Handle PR feedback.
* Clean up `add` logic and add empty content_data. Also add logic to get_notes_count so that we can hide unactioned statuses.
* Add the ability to update a note, and to also mark a status when an alert is clicked.
* Remove mark_actioned call on sync
* add missing todo
* Fix indendtation for table creations
* Refactor how customers are created on order update
* Check if user has a role of customer or previous orders before storing
* Add tests for user creation
* Allow null emails for customers
* Only select customer_id in guest ID query
Joshua T Flowers
ronakganatra9
Justin Shreve
Jeff Stieler
Peter Fabian