first tests

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@211 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixed donttest and now respect order of factor levels.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@212 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add new tests

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@213 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
improved names at-risk

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@214 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
cleanup

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@215 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
cleanup

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/eventhistory@216 edb9625f-4e0d-4859-8d74-9fd3b1da38cb