Omit merge commits from git log output.
Return of the sub-shell. We want that "cd" to be fleeting.
xargs doco comes to save the day.
Fix parallel run bug.

Also, trash the column/outfmt stuff. NR's code does it all.
DRY
No more -col option
80 cols is a religion.
The -col option is gone dammit.
viterbi-bench can be run from anywhere! woohoo!
Poor little SMURF. Left out in the cold for so long that it turned blue.
Dire warning.
God dammit! Leave my subshells alone!
xargs is sneaky. see comment.