Another Minor Hotfix now Live

Another build (1559) now live with further content adjustments (no change in version number as exe remained the same):

• Fixed Porsche 962c still having spool enabled (now its a setup optional)
  
• Further art pass for Spa Francorchamps 1993
  
• Minor audio adjustments to Sauber C9, Omega Stock Car
  
• Minor AI callibration pass for all F1 cars, Opala 1986, Omega 1999, StockV8 & Sprintrace
  
• Adjusted Omega StockCar windshield texture