-Fixed beam sometimes not working in singleplayer

-Added lots of precache for particles
-Fixed sounds replacing other gauss weapons

-Nerfed the damage slightly

-Fixed attachment error

-Fixed beam for singleplayer

-Made sure the refraction beam doesn't get stuck

-Adjusted knockback force
-Changed something about the refraction

-Fixed ammo boxes still having their small pickup range

-Added headshot multiplier

-Increased pickup range for ammo pickup