README: log entries for the last 20 revisions
696    2011-01-16
	Added 'term_encoding' to rc file for output to the terminal/console
	window. Various updates for python 3 compatability. (Dateutil 1.5
	now supports python3 but wxpython does not.)
695    2011-01-10
	Declare strings to be unicode in etmData.py OL.
694    2011-01-10
	Replaced encoding in the rc file with gui_encoding (for the wxpython
	gui) and file_encoding (for reading and writing files).
693    2011-01-04
	Add 's' to required keys for reminder.
692    2011-01-03
	Removed try block from etmRC.py which forced the use of
	sys.stdout.encoding. Removed a couple of erroneous 'utf-8'. Now
	works with Russian under Windows!
691    2011-01-03
	Show more diagnostic information if OnInit in etmWX.py fails.
690    2011-01-01
	Fixed bug in date_calculator.
689    2010-12-29
	Fixed bug in exporting to ics. Improved documentation for weekday
	(thanks Adam).
688    2010-12-22
	Added settings for the colors for the command line interface to the
	rc file.
687    2010-12-21
	Don't check for local time zone unless auto_set_timezone is True.
	Fixed undefined 'tmp_d' error in select_items.
686    2010-12-14
	Removed the 'm' from the time of the next alert when use_ampm is
	True. Tweaks for dealing with a missing local time zone.
685    2010-12-11
	Added the ability to specify an alternative command using @A COMMAND
	to run instead of the default for an event or reminder.
684    2010-12-10
	Possible fix for windows registry issue with timezones.
683    2010-12-10
	Added settings for first and second column widths in the gui item
	list to the rc file.
682    2010-12-09
	Added cleanPks to new_version routine. Display local time zone in
	GUI tdy. Added zone stuff to on-line docs and help text.
681    2010-12-07
	More zone fixes.
680    2010-12-05
	Added Shift plus Space completion for @z. Added gettz check for @z
	in check_hash.
679    2010-12-05
	Add @ ZONE using zone returned by get_localtz() when saving unless
	@z is already set.
678    2010-12-05
	Recurrence rules seem to be working. GUI loads ok, edit and save not
	yet updated.
677    2010-12-04
	Zone stuff seem to be working.
