'Check a tile Coordinate against the bounds, return true/false.'

def excludes(self, tile):

    if (tile.zoom > self.upper_left_high.zoom):
        return True
    if (tile.zoom < self.lower_right_low.zoom):
        return True
    _tile = tile.zoomTo(self.lower_right_low.zoom)
    if (_tile.column > self.lower_right_low.column):
        return True
    if (_tile.row > self.lower_right_low.row):
        return True
    __tile = tile.right().down().zoomTo(self.upper_left_high.zoom)
    if (__tile.column < self.upper_left_high.column):
        return True
    if (__tile.row < self.upper_left_high.row):
        return True
    return False
