Update to PlateBoxplot function, moar tests...

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qfa@610 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Update version no.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/qfa@611 edb9625f-4e0d-4859-8d74-9fd3b1da38cb