* Settings screen is now based on the Android SharedPreferences
* Added function key configuration on the Settings screen
* Added a setting for toggling the on-screen buttons
* Added a dark/light theme setting
* Improved translations
* Fixed a problem with launching the Settings screen directly from the Android settings
* Fixed ignoring keys not actually ignoring them properly
* added missing words to the Bulgarian dictionary
* English dictionary update
* removed repeating words from the Italian and Bulgarian dictionaries
* fixed incorrectly broken words and removed repeating ones from the Ukrainian dictionary
* Russian dictionary update
* documentation update
* made it possible to type words with apostrophes (Dutch, English and Ukrainian)
