Fixed up some errors and changed to version 2.1.4.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tab@46 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Minor doc fix.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tab@47 edb9625f-4e0d-4859-8d74-9fd3b1da38cb