v4.9

Added Vietnamese, updated German, Russian, Italian, Indonesian, Turkish and Chinese translations

Fixed bug that caused app to crash when clicking on a note or link.

Changed the backup format. This fixes a bug where exporting a backup caused the app to crash. Older backups can still be imported.

Changed the way lists are shared. Instead of numbers, the items are prefixed with checkboxes.

Improved search. Instead of the filters being buried under a dialog, they're now front and center.