PlaceRadius vertex search

[yakra]

same deal as #157 except vertices in a PlaceRadius

[yakra]

• Reorder? Are area graphs faster than region graphs now?
  Yes. 0.024 -> 0.017 s per area graph vice 0.027 s per regional graph.

[yakra]

lol python

box	before	after
lab1	1.0204	1.0076
lab5	.8475	.8345