Penne

What's Changed
* Defined messages by alexracape in https://github.com/InsightCenterNoodles/Penne/pull/1

New Contributors
* alexracape made their first contribution in https://github.com/InsightCenterNoodles/Penne/pull/1

**Full Changelog**: https://github.com/InsightCenterNoodles/Penne/compare/v0.2.0...v0.4.0

Reworked callback functions to run in main thread through the use of a queue.

Includes Patch for Initialization Message

Initial release for penne client library