Changelog

v1.3.1, 2019-11-30

suppress useless error messages

v1.3, 2015-09

full rewrite (C99)
added -0 option

v1.2.1, 2013-06

fix unsigned var

v1.2, 2009-01

added GPL v3 license
added man page
added -v option

v1.1, 2007-11

rewrite in C

v1.0, 2004-09