Fixed comments in number methods list

,.

turned abs() and divmod() into generic versions;
added pow().

in the reference to the reference document.

Dispatch needn't check for win = self.win.

Added Turbo C milli functions (courtesy Mark Anacker)
Disable THINK C sleep for 4.0

Sort some method lists.
Increase max #menus, and give more reasonable error message
if exceeded.
Remove window setfont method.

Incorporated i386 mods.
(Oh, BTW, the "right" python name is now posix.utime, not utimes!

(with different interfaces).
Change the module definition to call the built-in functions,
for compatibility.

Exercise trailing comma in tuples.

Fixed center().
Rewrote ljust() and rjust().