[99] Knife's Edge

I'm really close, but not quite there.

I had to refactor almost everything inside kmixer, due to the fundamental changes made to coreVector and the like.

I've mostly gotten to the point where you can not only add and remove voices, but redirect the output of a voice, though there are a few issues with routing right now, as shown on the left here.

The connected inputs and outputs are inconsitent, meaning their connections are incorrect. There's more than one issue here, but you get the general idea.

Well, Wix's embeds are still broken, so here's this mess: