Changes to plotpc Package
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1.0.4 Sep 26, 2015

Minor tidy-up for CRAN check.

1.0.3 Dec 17, 2014

Minor tidy-up for CRAN check.

1.0-2 March 23, 2009

Added "abs." argument to plotld
Doc touchups

1.0-0 March 04, 2009

Initial release