Implementing HP {48,49,50} minehunt game

You start on the top-left corner and your goal is to reach the bottom0right corner without blowing-up a mine.

You can move using
  ↑
← ↓ →

or (better) the keypad which moves as
                7 8 9         ↖ ↑ ↗
                4   6         ←   →
                1 2 3         ↙ ↓ ↘

You can quit at any time using 'q'

You can replay at the end using 'r'