Support for the Korean and Portuguese languages has been added! Also feature added to indicate which puzzles were previously completed in the level select screen, as well as bug fixes regarding language detection

-Added support for the Korean and Portuguese languages
-Feature added to indicate which puzzles were previously completed in the level select screen
-Fixed issues that would cause some user's languages to not be detected on loading the game for the first time. The game should now detect the user's language and switch the in-game menu text to it more consistently