Added
- Implemented `SecondOrderOptimizer`, which computes the hessian of a loss function.
- Added support for the `NetwtonCG` and `LBFGSB` scipy optimizers.
- Created `NodeSegmentGoal`
- Implemented `closest_point_on_segment` using `lax.cond`
Changed
- Pinned viewer dependency to `compas_view2==0.7.0`
Removed
- Removed `Viewer.__init__()`