Added some missing functions.
Added some missing functions.

elkingtonmcb/simbody,chrisdembia/simbody,elkingtonmcb/simbody,simbody/simbody,Gjacquenot/simbody,scamille/simbody,elkingtonmcb/simbody,chrisdembia/simbody,scamille/simbody,robojukie/simbody,elen4/simbody,robojukie/simbody,chrisdembia/simbody,simbody/simbody,elen4/simbody,robojukie/simbody,Gjacquenot/simbody,Gjacquenot/simbody,scamille/simbody