version 1.0001 - June 3, 2015
 * Added sanitization of military mailing labels, because there aren't specific military shipping boxes.

version 1.0000 - September 14, 2014
 * Major API change

version 0.0101 - September 5, 2014
 * Added missing dependency for XML::Simple.

version 0.0100 - June 23, 2014
 * First public release.