README: log entries for the last 20 revisions
847    2011-07-28
	Fixed error in showing ending date in datebar. Used end_date but
	should be end_date - oneday. Allow relative date in setting
	begin_date as well as end_date, e.g., -e '-21'.
846    2011-07-27
	No more rotating files. Instead create, e.g, 2011/07_actns.text in
	the etmActions directory in July 2011 and similarly events, notes
	and tasks and for other months and years.
845    2011-07-23
	Added tag new for changeset 36046d531589
844    2011-07-22
	Added starting time option for actions.
843    2011-07-20
	More etmRC tweaks. This seems to work on all platforms.
842    2011-07-20
	Windoz weak - use r'''var''' to prevent expansions of \n, \t and so
	forth in paths.
841    2011-07-20
	Replaced open with codecs.open in etmRC and etmData.
840    2011-07-20
	For Windoz, write new etmrc using default file encoding.
839    2011-07-20
	More etmRC tweaks. Check for modification of etmrc after external
	edit before warning about restart.
838    2011-07-20
	More etmRC tweaks.
837    2011-07-18
	Tweaks for etmRC paths. wxpython 2.8.12.
836    2011-07-18
	Added check_rotating to etmRC to create appropriate archive files
	before migrating old data files.
835    2011-07-18
	Added .text extension to rotating archive and backup files.
834    2011-07-17
	Added check_newinstall, make_examples and make_holidays to etmRC.
833    2011-07-17
	Removed len(v)>2 test in etmData.getLeaf.
832    2011-07-16
	Use extension 'text' instead of 'txt' for new format data files.
	Automatically copy old files to ~./etm/etmdata, make format changes
	and change the extentsion.
831    2011-07-16
	Hack to make locale work for 12-month calendar in both os x and
	linux. Corrected bug in rc in which a new rc file would not be
	created. Added print statements to trace rc.
830    2011-07-14
	Fixed wrong indent in etmData. Fixed old2new to replace '@p #' with
	'@e +#'.
829    2011-07-13
	Make search involve all tuples, regardless of date.
828    2011-07-13
	Help improvements.
