setBoard function creation

This function returns a dictionnary, width width & height of the gameboard
Create gameboard function

This function return an array of width rows & height column, filled with True values
printBoard function creation

This function print the board, print an 'o' for True value, 'x' else.
Create function getNextMove

The function request two user input, setting x & y axis for the next move
Create a switchBoard function

This function take a given x & y position, switch its value & and its neighbors
Create function isGameWon

This function iterate over all value of the given gameboard to check if the game is won.
Also remove debug print in switchBoardValue function
Get the user wish function.

Check if he wants to continue, Sacre Hubert
Rename exo.py to ping.py (as it is the game name, duh)