Open Sudoku

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4.4.2:
• Several bugs hotfix

4.4.1:
• New "Hint" strategies (Unique Rectangle 1, 2 and 5)
• Bunch of bug-fixes and improvements
• UI updates
• Translations updates

4.4.0:
• New SUID (Sudoku Unique ID)
• New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave)
• New "Play random unsolved puzzle" button if there's no resume
• Keyboard UI changes

4.3:
• New "Hint" strategy (Empty Rectangle)
• UI improvements
• New translation to Finnish!
• New translation to Tamil!