added parncpt2.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pi0@337 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
debugging parncpt2 related problems

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pi0@338 edb9625f-4e0d-4859-8d74-9fd3b1da38cb