Left 4 Pop v0.2 Update

Update v0.2 is here with technical improvements as well as new content!

-grenades can now be tossed using RMB

-special infected are now easier to recognize

-improved dart hit detection

-added "next wave" skip button

-added new secondary gun - sawed-off shotgun

-added screen resolution setting

-added option to choose at what height infected should get removed to improve perfomrance

-added reload speed upgrade for shotgun and sniper rifle

-sniper rifle now uses raycast instead of physical game objects to determine hits

-pick up icons now face player

-overall script optimization

-buffed pushing enemies back with main weapon

-after throwing a grenade, the main gun is automatically selected

-improved the way infected pop, exploding them immediately once certain size is reached regardless of animation state

-adjusted exp progression

-adjusted upgrade prices

-fixed smoker attack collision

-changed some audio

-shell casings no longer collide with player

-fixed issues with achievements on 2nd map

-boss no longer drops Carbon Pop

-changed grenade explosion time from 3.5s to 2.5s

-"Nade Out!" and "Biohazard" achievements now pop up when earned in play

-small UI improvements

-changed shotgun dart spread