Curses addch() method that fixes a major bug in python 3.4.

        See http://bugs.python.org/issue21088

def addch(window, y, x, ch, attr):
        """
        Curses addch() method that fixes a major bug in python 3.4.

        See http://bugs.python.org/issue21088
        """

        if sys.version_info[:3] == (3, 4, 0):
            y, x = x, y

        window.addch(y, x, ch, attr)