Hotfixes:0013

- optimization improvement (especially for low/mid settings) - fixed bug with light and fog inside pipe-tunnel - added missing sounds - fixed bug with 'sleeping' enemies - updated enemies that sometimes 'stuck and not reacting player' - fixed compensation depended on FOV parameter and other tiny improvements Also: - "stutter fps" bug was found (happens with chance when you run away from enemies) - working on it - New save system and manual save in slot - still in development Your feedback allows us to find bugs much faster and improve the game experience. <3