New Features:
* Bump required GTK version to 3.22.20
Fixes:
* Do not use deprecated Gtk::Menu::popup (Issue #16)
* Fix find previous match
* Fix changing sorting not always works
Translations:
* Updated Czech manual (cs)
* Updated Swedish manual (sv)
* Updated translations:
- Czech (cs)
- German (de)
- Serbian (sr)
- Swedish (sv)
