I don't think the repairs ever worked for negative murmur3 tokens, because
the old format string was only ever producing a 20-byte string *including*
the minus sign.  The new format string always prints the sign, and that
work for 1.2.x.  Someone testing on 2.x would be good.
Merge pull request #10 from BrianGallew/multiprocessing

I don't think the repairs ever worked for negative murmur3 tokens, becau...