maintainer change and prefmod 0.8-32

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/prefmod@226 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
small fixes (documentation).

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/prefmod@227 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Moved estfun() and bread() methods to package psychotools.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/prefmod@228 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Adjusted estfun() call to new names.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/prefmod@229 edb9625f-4e0d-4859-8d74-9fd3b1da38cb