Add method to get deref rather than operator since the latter is not available in matlab
Add method to get deref rather than operator since the latter is not available in matlab

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core