- when the payments array was folded into sale_data there was an earlier payments[] reference in the foreach loop that didn't get folded in.
- Update PHPdoc
- Added ::class to remove polymorphic call warning
- Removed unreachable 'break;' statement after return statement.
- Added missing return type
- fixed missing assignment of mailchimp_api_key
- automatic upgrade of encryption key.
- automatic decryption of CI3 data, then re-encryption in CI4 and update of table.
- Fixing save function in app_config model
