dbpf was coded by Ben Rudiak-Gould (benrg@math.berkeley.edu)

dbpf contains code that was loosely adapted from part of DEFLATE
which was coded by Jean-loup Gailly and Mark Adler (jloup@gzip.org and madler@alumni.caltech.edu)

all changes marked "dz" were made by dizzy2 whose works are all PUBLIC DOMAIN
