x,y)
     - setField(self, what, col, row, padding = (0, 0, 0, 0),
                anchorLeft = 0, anchorTop = 0, anchorRight = 0,
                anchorBottom = 0, growx = 0, growy = 0):
                used to add widget 'what' to grid.
     - Grid(self, *args): eg. g = Grid(2,3) for 2x3 grid
    c