0.4.1

• full controller support (I don't know if it's good, because I can't play fps with a controller, but I'm open to requests for improvements)
  
• rolling stone at the end of Točník map
  
• Gold key redesigned to Common key
  
• Silver key redesigned to Aluminium key
  
• improved keys on HUD
  
• fixed one terrible bug that no one reported
  

Original soundtrack is in production.