version 0.01	first Plan 9 APE port with original UI
version 0.02	Plan 9 APE port, redesigned to be noninteractive, input from 'infile', output to stdout, records T from randomization test to 'outfile'
version 0.03	first native Plan 9 port
version 0.04	native Plan 9 rewrite with more traditional (UNIXish) i/o handling, now works in a pipeline, but still with stdio.h

