Bumping to Houdini Version: 13.0.465
Houdini Engine Version: 1.7 (API: 20)
Ignore cook error when the asset is first instantiated
Workaround a crash where we can't determine the object to instance
Use the $gMainProgressBar in Util::statusCheckLoop()

Abstract out the progress bar so that it's easy to have different
implementations.
Escape status message so that it can be passed to a MEL command
Add LogProgressBar that can show progress messages in text

This allows us to show progress when there's no GUI.
Make ProgressBar interruptible