v4.0.4
- Upgraded PDF engine (Sejda) to latest version (3.2.84)
- Upgraded AdoptOpenJDK to latest version (11.0.4)
- Upgraded translations
- Drag and drop of directories now asks the user if he wants to also add PDFs in subdirectories
- Numerical sort of file names starting with digits
- Fixed a couple of bugs (#354 #363)