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1. Modifications to how Longbow accepts the help and version command line
parameters, some people don't follow GNU standards and thus so that we can
show them the help message/version we have allowed -v, -version, --version,
-h, -help and --help.
2. Longbow now creates missing repX directories if they are missing in cases
where all input files are global. This would allow jobs that might use
different random seeds on the same input files to be efficient on transfers.