Nar-Sie update

Refactors a good amount of construct code. 

Instead of gibbing people, Nar-Sie will instead convert them into Harvester constructs (like I always intended but never bothered).
Harvesters aren't strong, but can use a version of smoke that knocks people out, letting them be brought back to the Geometer. They can also fly in space.
Ghosts can click on (large) Nar-Sie to become Harvesters.


This happens to fix an issue where Nar-Sie would get soulstoned shades as a target, causing her to hover in one spot for the rest of the round like a nerd.