Build 161: Bug fixes for the engine simulator

Patch Notes (Build 161)

• Fix bugs in the engine simulator causing the engine to unexpectedly stop running or not be able to start

• Optimize engine simulator to allow the engine to simulate faster

• Fix bug causing the hoses and tubes in the intro level to be invisible and broken

• Fix bug in the intro preventing progressing if the jackstands are deployed too early

• Allow the CAS to be rotated in small increments in desktop mode using mousewheel (requires the CAS bolt to be completely removed right now)

• Save state of some engine parts to maintain engine timing when saving and loading

• Fix crashes related to engine simulation and installing/uninstalling certain parts