Unzip by Infozip
Eval/Lite version of CallChange is packaged using Info-ZIP's
compression utility. The installation program uses UnZip
to read zip files from the CD. Info-ZIP's software (Zip,
UnZip and related utilities) is free and can be obtained
as source code or executables from Internet/WWW sites,
including http://www.info-zip.org/pub/infozip/.
LZR compression program
Based on LZARI.C - copyright (C) 1989 Haruhiko Okumura.
Copyright (C) 1996 Petr Brouzda.