fetchSudokuUK           Fetch the daily sudoku puzzle from
                        https://www.sudoku.org.uk/
generateSudoku          Randomly Generate a Sudoku Puzzle Grid
hintSudoku              Give a Hint for a Sudoku Cell
playSudoku              Interactively play a game of Sudoku
printSudoku             Print a Sudoku Grid to the Terminal.
readSudoku              Read a File Containing a Sudoku Grid
solveSudoku             Solve a Sudoku Puzzle
writeSudoku             Write a Sudoku Grid to a File
