This script converts all 3.2 log files into 4.x compatible.
It gets the list of unresolved IP, and put each of them at the end of
visitor list. Values of the old generic "Unknown", such as pages,
hits and bytes, are divided by the number of unresolved IPs, and
then each new visitor entry is given the result of the division.
This might seem to be abstruse, but it's the only way I found to
switch to 4.x withough losing old datafiles.
Just copy it into the directory where you store all datafiles, and