Changelog

• master
  • Up/down casting now allowed from any state (not just in the beginning or end of the protocols)
  • Droppable states are now subtypes of "end" states
  • Several fixes
  • Set Java 11 as the minimum version
• 3.0: Added initial support for subtyping - Nov 2021 tag 3.0
• 2.1: Refactoring and fixes - Feb 2021 28a0ac
• 2.0: Second version (included experimental non-linear mode) - Dec 2020 f091c5
• 1.1: Refactoring and fixes - Oct 2020 1c3a0d
• 1.0: First version (linear mode) - May 2020 1831ed