SolveSpace at commit d4b052d

The following design produces complaints about 864 naked edges, which makes SolveSpace very unhappy:
https://gitlab.com/anelok/mexp/raw/016367ea70960daac4d8bb94a5740d84a3f5e900/alt13/aaa-minus-weirdly-broken.slvs

I found that turning off NURBS to mesh in g00b-spring makes the naked edges go away.

Before I noticed that I had NURBS to mesh selected, I tried removing the rectangular blocks on the side, the hole, the "dimple", ... none of which helped to get rid of the naked edges.