- fix pin indices for various SC lib variants
- SDF annotation improvements
- STIL loading improvements
- Support for per-simulation parameters in WaveSim
- Circuit is now pickleable and comparable
- Documentation improvements
- Node and Line objects now provide __index__
- LogicSim cleanup and improvements (inject_cb, cycle, ...)
- Introduce TechLib class to organize tech-specific info
- More human-readable output
- De-linting