NOTE: if any volunteer wants to convert the rest of the code, please do so!

this adds new parameters to engine.ActorProject:project allowing specific grids and actors to be excluded from the projection.

(that's everything I could find with grep aside from a chronomancy talent I'm going to replace anyway)

Cancelling psionic absorption shields with no accumulated damage will not produce a 0 strength damage shield.

Talents with fixed cooldowns won't affect the cooldowns of other talents with fixed cooldowns (timeless, metaflow, invigorate, etc.)