Added
* Add `Circle` and `Sphere` primitives to `compas.geometry`.
* Add functions to `Plane` and `Box` primitives.
* Add functions to `compas_rhino` curve: `length` and `is_closed`.
* Add functions to `compas_rhino` surface: `kinks`, `closest_point`, `closest_point_on_boundaries`, and functions for mapping/remapping between XYZ and UV(0) spaces based on surface's parametrization (`point_xyz_to_uv`, `point_uv_to_xyz`, `line_uv_to_xyz`, `polyline_uv_to_xyz`, `mesh_uv_to_xyz`)
* Add `is_scalable` to `compas.robots.Joint`.
Changed
* Fix exception in `Plane.transform`.
* Fix installer to remove old symlinks.
* Fix RPC proxy server.