0.9.9d5 changelist (beta branch update)

[list] [*]Ammo Modules reworked: - No longer increases all ammo gained from pickups - Now increases primary ammo gained from pickups by 50% [*]Increased droprate of primary ammo pickups [*]Reduced droprate of fuel pickups [*]Sensor Fuser now improves weapon tracking vs. cloaked enemies [*]Piranha ammo rate reduced 12 -> 10 [*]Artifacts will now sometimes spawn as secrets [*]Improved Cruiser laser sight FX [*]Improved various weapon and damage FX [*]Updated Cycler and Repeater models [*]Multipine view model now spins when firing [*]Added HUD indicators for incoming homing missiles [*]Homing alert sound is now directional [*]Fixed level relic count not including relics in hidden breakables [*]Fixed mine projectile physics being reset when colliding with water surfaces [*]Fixed weird physics interaction when Thermo hit a water surface [*]Fixed weapon ammo bars sometimes being visible for empty weapon slots [/list]