added nobs to the output and the logLik component of the output of nparncpp, nparncpt, nparncpF, parncpt, parncpF, sparncpt, sparncpF.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pi0@334 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
minor debug

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pi0@335 edb9625f-4e0d-4859-8d74-9fd3b1da38cb