Update 1. 076 More oxygen options, Space ball

More oxygen options are available. Now, there can be oxygen inside small ships and cockpits. Also, there is an oxygen level on the players suit (available only in survival mode and only if enabled in options). The character will have to breathe oxygen in order to survive. If the level drops to 0, he will lose health. Oxygen can be replenished in the medical room or through oxygen bottles, which can be replenished in oxygen tanks or oxygen generators. Lastly, there is a Space Ball that bounces inside the ga