v2.0.1

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

v2.0.0

• 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).