rewrite of the tech,gun,field selection code
odds of new bugs is pretty high, but the code is shorter and faster, so easier to fix
path integral is no longer a JUNK tech
lets you choose from every option on next tech
emergence is stackable
+2 power up choices per stack
tech: integrated circuit - if ON +7 power up choices if OFF -1
update matter.js engine 0.17.1 -> 0.18.0
shouldn't change anything
big fixes
784c933260