Optionally (if shelling out via qx fails for some reason) this module
will use:
IPC::Cmd
Which in turn requires one of:
IPC::Run
IPC::Open3
Some of this module's tests need:
Test::Differences
COPYRIGHT AND LICENCE
Put the correct copyright and licence information here.
Copyright (C) 2008 by Joseph Brenner
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.8 or,
at your option, any later version of Perl 5 you may have available.
