Sellbrite - Review Order Status

Orders will be imported from Sellbrite that have the following statuses reported by the Sellbrite API:

1. sb_status:  open  - The order is still open, and awaiting payment and/or fulfillment.
2. sb_payment:  all  - Payment for all of the items is complete.
3. shipment_status:  none  - None of the items have been shipped.