Addon Organizert updated to 1.39 b09

Hello @ll,

the P4AO Addon Organizer for P3D V3/4 has been updated to version 1.39 b09

- The bug causing non-sequential layer order when using scenery groups has been fixed
- You can now add complete subfolders containing multiple sceneries in one go
- All Packages can be activated/deactivated at the same time
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