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Version History:

 1.4 2005-06-18 cleaner bat files

 1.5 2005-07-07 displays stats, with
                recursive indenting. converted to Java 1.5 syntax

 1.6 2006-01-01

 1.7 2006-01-01

 1.8 2006-03-13 rewrite with for:each JDK 1.5

 1.9 2007-01-01

 2.0 2007-01-01

 2.1 2007-01-01

 2.2 2007-06-29 Commandline is Iterable, isQuiet, now iterate CommandLine directly.

 2.3 2007-08-27 add JunkFilter

 2.4 2009-02-27 send output to err instead of out so will not contaminate batch data to out.

 2.5 2009-02-28 CommandLine now uses considerably less RAM by caching the list of files on disk.
                You no longer need specify estimatedFiles.
                Split off into its own package.

 2.6 2011-01-10 v verbose option

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