1.1.0-beta4 for MC 1.9.4

Bugfixes:

• Compile against experimental MCMultipart version
• Fix multipart rendering issues
• Fix OBJState-dependent models not working (read: Fixed Models rendering very jumbled & ugly)
• Fix Conveyor Hopper crashing when accessed through its IItemHandler (e.g. when using a vanilla hopper on it)
• Fix sound registration
• Fix PipeEnd implementation on the sprayer

Enhancements:

• Extract several non-dynamic models into separate files to improve performance