4.9.2

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- Add option to save custom command matches.
- Insert and reload history command in model.
- Change treeview filter prio to avoid window resize.
- Add left/right navigation to the treeviews.
- Add a custom completion match function.
- Use long option, looks better in code completion.
- Drop usage of new Gdk keycode api (bug #8044).
- Translation updates (de, et, eu, fr, hr, it, kk, ko, nl, sk,
  uk, zh_CN, zh_TW).