Version 1.00  2010-04-29
   Initial release.

Version 1.01  2010-04-29
   Use File::Basename and IO::File to get rid of two unix dependencies.

Version 1.02  2011-06-23
   Added 'width' method.
   Updated some tests which did not run correctly with perl 5.015.  Renee Baecker

Version 1.03