=== ATTENDABLE SYNC ===

26/04/2022: v3.4.7
- UPDATE: Use new Elevent API endpoints

01/04/2022: v3.4.6
- FIX: Elevent availability sync, wasn't checking each instance against each record before passing to the callback

17/03/2022: v3.4.5
- FIX: Availability sync was calling the Eventim API once for each instance. The call only needs to happen once.

25/02/2022: v3.4.4
- ADD: `EventUrlName` field for Elevent sync. Includes `setup.php` within the provider which has a filter to
add field.

25/02/2022: v3.4.3
- FIX: remoteId method in RemoteInstance to allow for instance post remote id or from the data feed and sort the
availability syncing by ensuring each record is checked against the instance post.

25/02/2022: v3.4.2
- FIX: remoteId method in RemoteInstance model to use the appropriate property to get the ID

24/02/2022: v3.4.1
- UPDATE: Eventim RemoteInstance prices method by casting a float to the value that enters the number_format function

24/02/2022: v3.4.0
- ADD: Eventim provider to the sync

24/02/2022: v3.3.0
- ADD: Elevent provider to the sync

15/05/2019: v2.0.2
- UPDATE: Change load order of the classes inside model and sync folders

22/10/2018: v1.1.0
- ADD: $field as second parameter of "substrakt\attendable\sync\createupdate\\{$item->postType()}" filter.
