The vcs dir is gone, so remove test for it.
Using IO::Handle now, not IO::Pipe.
Move authors directory back to original location.

I'm not ready to move it just yet.
If running under NYTProf, delay start of profiling.
Add hook for controlling CHECKSUM creation with ENV var.
Show truncated message title in stack listing.
Add field for tracking if a stack has actually changed during revision.
Add option for starting job at a particular batch.
Start counting from the specified batch number (or 1 if none was given).