Common command line options, this is to try and present some degree of interface consistency among command line applications.
Copyright (c) 2010-2011 Paul Ross. All rights reserved.
Return an command line parser with the standard pre-set options.
Standard options are -h, --version and:
-j: Multiprocessing job control.
-k: Flag to indicate that we should keep going as far as sensible.
-l: Log level.
Return an command line parser with the standard pre-set options plus an input path as an argument.
Return an command line parser with the standard pre-set options plus an input and output paths as an arguments.