Pybind11 Overloaded Methods

[varunagrawal]

Add support for overloaded methods so we don't need to specialize each function like atDouble, atPose3 etc.

Details: https://pybind11.readthedocs.io/en/stable/classes.html#overloaded-methods

[ProfFan]

Looks very similar to #78

[varunagrawal]

Yup. It should be pretty easy too.