Update v274564

  1. Slight increase to dust comet damage.
  2. Dust comet is now regolith.
  3. Tweak the comet dirt spawning rules to prevent the dirt from stacking up.
  4. Fixed a crash that could occur if a comet hit a building that didn’t have an audio category setup for it.
  5. Fixed a crash that could occur if a liquid droplet fell outside the world.
  6. Fixed a crash that could occur when FMOD failed to initialize.
  7. Fixed a crash that could occur if you had more than the maximum autosave files by making your own copies.
  8. Fixed a crash that could occur on shutdown.
  9. Fixed a crash that could occur when placing gases using the sandbox tools.