Significant bug fixes were provided by Cécile Ané, James Bullard,
Otto Cordero, Éric Durand, Olivier François, Rich FitzJohn, Bret
Larget, Nick Matzke, Michael Phelan, Elizabeth Purdom, Dan Rabosky,
-Klaus Schliep, Tim Wallstrom, Li-San Wang, Yan Wong, Peter Wragg,
+Filipe Vieira, Tim Wallstrom, Li-San Wang, Yan Wong, Peter Wragg,
and Janet Young. Contact me if I forgot someone.
Kurt Hornik, of the R Core Team, helped in several occasions to