*** WIP: A bit of refactoring
*** WIP: Send out rejection update email
*** WIP: Duplicate existing approvals from a rejected cart when restarting a rejected cart
*** WIP: Attempting to create approval_groups_carts, but deciding to go another route
*** Replaced approval_group_id with cart_id in Requesters
*** Removed pry statements
*** Removed Approver model
*** Fixed specs
*** Cleanup