Recent changes:

Key:  
     - Something removed
     + Something added
     * Something changed / fixed


V0.4-pre2:
 * Memory leaks fixed
 + Memory "top" screen (S)
 + Titles now autoscroll
 * Fixed small screen-visibility bug  (clients weren't always
   notified of screen cycles)
 + Heartbeat modes implemented.  Clients can remove it with
	     widget_del my_screen heartbeat
   or turn it back on with
	     widget_add my_screen heartbeat " "
   Note that the client only has control over this when the heartbeat
   is in "open" mode.  (currently, it always is)


V0.4-pre1:
 * Too much to mention...

