v1.04 Update Notes:
Picking up hematogen bar now also fully restores stamina, apart from health.
Added yellow balloon pickup indicator to levels train 1 and train 1b.
Added yellow balloon pickup indicator to lighter fluid pickups.
City Outskirts: Added combat music track that is triggered when player goes behind tank.
Backalley 2: Added spline camera intro, highlighting where the key and are bar are.