Log Message:
Update to 220:
  Found and fixed check_update bug.
  More check_update tweaks.
  Another check_updates bug.
  Fixed check_update bug and improved prompt.
  Fixed unscheduled time bug in starting and ending minutes.
  Made unscheduled time view adjust to window width and wrap time
  entries when necessary.
  Added graphical display to unscheduled time view. Reduced context,
  project and id column widths and widened title column. Abbreviated
  the date display when grouping by contexts, projects and keywords.
  Changed date format for freetime and fixed typo /usr/bin/evn ->
  /usr/bin/env.