Version 0.3-0.
pffr: moved to using "ti"-bases with "mc"-constraints, requires mgcv > 1.7-28;
now checks that rownames of data and obs-entries in ydata agree.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/refund@152 edb9625f-4e0d-4859-8d74-9fd3b1da38cb