Significant bug fixes were provided by Cécile Ané, James Bullard,
Éric Durand, Olivier François, Bret Larget, Nick Matzke,
-Elizabeth Purdom, Klaus Schliep, Li-San Wang, and Yan Wong. Contact
-me if I forgot someone.
+Elizabeth Purdom, Dan Rabosky, Klaus Schliep, Li-San Wang, Yan Wong,
+and Peter Wragg. Contact me if I forgot someone.
Kurt Hornik, of the R Core Team, helped in several occasions to
fix some problems and bugs.