fixed errors when high seas is active

fixed some projectiles not being scaled

added changes from all weapons are shotguns
fixed weapon costs and reload only being multiplied by 2

vvv actually fixed vvv

multiplied speedstretch so there's no longer weird lines on explosions

MASSIVE mod rework: upgraded thumbnail, vanilla projectile effects are scaled depending on the multiplier and scaling stacks (tog and ms effects do not stack, so they can only be scaled from 2-5 times because limitations), added some more values to the multiplier