Corrected error in cavendish demo

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mas3321@39 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated version to 1.1

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mas3321@40 edb9625f-4e0d-4859-8d74-9fd3b1da38cb