.onAttach now uses packageDescription(), which had to be imported from package utils

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qca@22 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Forgot to remove some print() debugging lines

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qca@23 edb9625f-4e0d-4859-8d74-9fd3b1da38cb