[docs] [issue18669] curses.chgat() moves cursor, documentation says it shouldn't

Changes by productivememberofsociety666 <productivememberofsociety666@sol.fr.am>: Added file: http://bugs.python.org/file31178/chgat-bug.py _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue18669> _______________________________________