Added another option to keep the unused points (default off). While it's useful to only keep the used points in the case of RBD simulations, for Vellum constraints, it does expect the point count to match and so having this option is quite useful.
https://www.dropbox.com/s/c49lkpb2ifbg1hd/PointConnect_SOP_Animatrix.otl?dl=1