version 1.999 (prerelease evaluation version); 2006-08-19
* rewrite by Zefram: based on a newer branch of Shawn Clifford's C
code; proper Perlish error handling; allow arbitrary byte strings
(including embedded NULs); new documentation; many test vectors
1.0 Thu Sep 11 11:58:26 2003
* original version by <mikem@open.com.au>