For version 0.4.0 [13-dec-2000]:

* added a check_mailbox update function (checks /var/spool/mail/$USER)
* fixed a bug that produced gaps in the histogram if it was displayed 
  more often than the value was sampled.
* added a load average function (read /proc/loa) contributed by
  Michiel van Leeuwan <michielv@nleeuwen.cx>
* improved doc slightly

For version 0.3.0 [5-mar-2000]:

* added a config file definable action run on mouse click
* added a config file definable interval for the update

For version 0.2.0 [27-feb-2000]:

* implemented the libPropList stuff, panels are
  now configured in ~/GNUstep/DefaultsWMgMon and
  WMgMon is actually usable by anyone.

For version 0.1.0:

* initial release
