updated dependencies/namespace. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/effects@179 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
more namespace fixes. John

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/effects@180 edb9625f-4e0d-4859-8d74-9fd3b1da38cb