This release fixes several issues related to
convexHull and ensures the Polygons are closed under a variety of situations.
primitive.convexHull()now always returns
nullor a valid
Terraformer.Polygon. It will not return arrays or throw errors.
Terraformer.Circleis now closed.
Polygonreturned by primitive.convexHull() are now closed.
primitive.convexHull()will now handle features.