Original concept and programming by Con Kolivas

Beginning with version 0.19, Peter Hyman submitted bug fixes,
patches, multi-threading support, assembler integration,
SDK updating, and autoconf improvements.

Thanks to:
Andrew Tridgell for rzip.
Markus Oberhumer for lzo.
Igor Pavlov for lzma and CRC Assembler code. 
Jean-loup Gailly and Mark Adler for the zlib compression library
Christian Leber for lzma compat layer
Lasse Collin for debugging the compat layer
Michael J Cohen for Darwin support
Jukka Laurila for newer Darwin support
George Makrydakis for lrztar