Add helper macro to define constructors for Sets so they are exposed via SWIG wrapping.
Add helper macro to define constructors for Sets so they are exposed via SWIG wrapping.

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