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the icon) by writing lines to STDOUT in the following format:

  {x/y}

Where '{'  is the first character on a line; 'x' is an integer indicating the
number of steps completed; and 'y' is an integer indicating the total number
of steps. For example if the script output this line:

  {4/8}

the status icon would be updated to indicate 50% complete.

=head1 METHODS

=head2 Constructor

The C<new> method is used to create an application object.  It in turn calls
C<BUILD> to create and populate the application window and hook into HAL (the
Hardware Abstraction Layer) via DBus to get notifications of devices been
added/removed.