Made \code robust so that it works inside \caption


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@827 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
* SIMPLIFY=TRUE added to mapply() (model.info was broken)
* Internal variable stats renamed to modelStats


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@828 edb9625f-4e0d-4859-8d74-9fd3b1da38cb