Major.Minor.Fixes

• Major versions are breaking updates, that will require user facing code to change.
• Minor versions are feature updates, which may require internal code to change.
• Fixes are bugfixes.

0.14.0

• Add scene_id to NylonMessage, for use when the Scene is no longer extant
• NylonScenes are now cleaned up if they COMPLETE or TRANSITION, no more memory leaks

0.13.0

• Changed NylonScene.status property setter to be overridable
• This allows for sending custom messages