This is a narrower / smaller approach than #328, without needing to pull in an entire second graph, as Chips already implement the graph. This makes the topo insertion sort correctly handle internal/external/before/after pins. The test is the same as from #328.
This is a narrower / smaller approach than #328, without needing to pull in an entire second graph, as Chips already implement the graph. This makes the topo insertion sort correctly handle internal/external/before/after pins. The test is the same as from #328.
Closes #327