export functions,descendant,coverageClassifier,createEx,profileClassifier.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@202 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
make a little of the example in help page by adding includeText=TRUE

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@203 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add \keyword{internal}

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/profiledisplay@204 edb9625f-4e0d-4859-8d74-9fd3b1da38cb