Bugfixes:
- fix transfer of profiles through the pass sequence
- fix failed convergence of profile width
Features:
- add usable and tip cross-sections
- make `HookFunction` a context manager
v.2.0.0
- Split of old `pyroll` package into `pyroll-core`, `pyroll-report`, `pyroll-export` and `pyroll-cli`.
- Complete reworking of the hook system.
- Implementation of own hooking framework and removal of pluggy.
- Simpler user interface for hook definition and implementation.
- More orthodox default hook implementations, removal of "basic models".
- Rework of the object model.
- Stricter hierarchy of unit classes.
- Extended possibilities of groove definition.
- Roll passes with three working rolls.
- New unit classes: `Rotator`, `PassSequence`, `ThreeRollPass`.
- Introduction of disk elements for incremental modelling in rolling direction.
- Nestable units (esp. pass sequences and disk elements).