Tweaks Loader to be more interesting and balanced. Fixed for SOTS!

Reworks Captain to be more interesting and cohesive. Fixed for SOTS!

Tweaks Default Engineer to be a sidegrade, brings him closer to RoR1 and makes him less reliant on turrets. Fixed for SOTS!

Reworks Acrid to be more fun, skillful, interesting and have balanced alts. Fixed for SOTS!

Tweaks Void Fiend to be more fun and balanced. Fixed for SOTS, now with alt melee primary!