Additional contributors to datamash.

  Copyright (C) 2013,2014 Assaf Gordon.

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

Thanks to:

    Aaron Quinlan ( http://quinlanlab.org/ ) whose 'groupBy' program
    (https://github.com/arq5x/bedtools) was the inspiration for datamash.

See also the AUTHORS and ChangeLog files.
