- improved tv.db/idtvChannel.bin support (e.g. Panasonic LSW500, LXW700)

- fixed error when changing "Auto hide/unhide columns" option while no list is loaded
- added "Feature" to serializers so they can enforce that all TV channels must come before Radio and Data (but share a common number sequence)

source/ChanSort.Api/Controller/SerializerBase.cs

@@ -37,6 +37,7 @@ namespace ChanSort.Api
       public bool CanHaveGaps { get; set; } = true;
       public bool EncryptedFlagEdit { get; set; }
       public DeleteMode DeleteMode { get; set; } = DeleteMode.NotSupported;
+      public bool EnforceTvBeforeRadioBeforeData { get; set; } = false;
 
 
       public FavoritesMode FavoritesMode