Version 0.6.3: Fixed MultipleExceptions.merge raising TracedException.

Version 0.6.2: avoid mixing __slots__ and inheritance.

Version 0.6.1: TracedException is no longer an exception itself.

Version 0.6.0: Staving Stack Traces

Version 0.5.2

Tried to make mypy less unhappy.

Version 0.5.1

Various small bug fixes.

Version 0.5.0

Version 0.4.0

Version 0.3.0

Changelog:

- Reentrant Lock & Semaphore
- Complete Rewrite of the Runtime

Version 0.2: sleeping