This is a maintenance release.
Main changes are solving a possible issue when syncing with USB devices and some other small fixes.
Additionally there are some enhancements for the group list.
- Upped .NET version to 4.5
- Added background saving of cache index. Should help with lost cache items when ComicRack crashes
- Extended search depth to find connected USB devices
- Added column header to group list
- Added group size to group list
- Double click on group header list splitter closes the list
- Fixed some spelling errors
- Multiple Comics Dialog showed custom fields in tab mode even if turned off
- Fixed spinner positions when switching between panel/tab style in dialogs
- Fixed mousewheel scrolling in browser in some cases
- Fixed possible failure to create first thumbnails immediately after startup of application