Beta 1.15.2

Some small but much needed fixes for the latest update. Thanks to everyone who tested and submitted bugs!

-Fixed issue preventing mid-air weapon swapping after a flying knee -Fixed issue causing player to remain crouched after sliding on an incline -Fixed issue occasionally causing self Defenestration to fail (firing the Defenestrator at your feet should now always launch you) -Fixed issue occasionally delaying the end of a game to 11 kills -Weapon Slot that is equipped when player health reaches zero now persists into the next life -New sound attached to player spawn -Defenestrator projectile velocity increased -Defenestrator, Phlood, Fire Hose, and Sunbeam ammo lowered from 60 to 36