This is a txt based connect 4 game
methods:
setup():
makes a two dimensional string array called grid.
The first index is the row, the second is the collum.
input():
takes input from the players and returns them in an array.
output():
prints the grid, with spaces added in between each item.
checkForWin():
looks through grid for a four in a row.
update():
Uses the returned value from input() to update the grid.
gameLoop():
runs input, output, update, and check for win. It is a
recursive method that reccurses every turn