For release 0.74
- Run bpconfig as part of gathering the full picture of the NetBackup
  environment.  This allows us to display information on e-mail notifications
  amongst other things (see config.pl).
- The volume-list.pl example displays assigned retention levels for each
  volume.
- Courtesy of Peter Buschman we now parse a disk storage unit in bpdbjobs
  output.
- js.pl can display the file list for a given job
- toc.pl example sorts image file lists
- Man pages for NBU.pm; nbutop.pl
  The .pl files with man pages were moved into a bin sub-directory and are now
  officially installed as part of this module
- Fix the problem caused by bpdbjobs sending refresh data about jobs that
  are being expired from its database
- Handle drive indices on a media server by media server basis rather than
  having a single global list of them.
- Even the Image class now has a loadImages factory method which will indeed
  load all images.  Oh the questions you can now finally ask!  Take a peek at
  examples/statistics.pl for a few simple ones
- Class objects implement loadImages.
- Class information is now loaded on demand as well.  Of course if you know
  you are going to loop over all of them, you'd still want to load them en
  masse first.

For release 0.73:
Most changes are bug fix and example script related.  It is interesting to see
how easy it has been to whip up scripts on top of the object model.  However,
sometimes a flaw in the underlying model is exposed :-(  Major changes are:
- addition of nbutop.pl
  Patterned after the famous top utility, this script lists the currently active
  jobs in a number of sort orders.  Leveraging the object model correlating
  active jobs to volumes and drives was a no-brainer!