v21.08
This release introduces:
- the switch to calendar versioning: from now on we will use year.month version number
- sensitivity analysis of solutions with respect to input parameters
- several new models, including many-particle and state-of-health models
- improvement on how CasADI solver's handle events, including a new "fast with events" mode
- several other new features, optimizations, and bug fixes, summarized in CHANGELOG