Version 0.20.0

First Python 3 (3.6+) only version.

• Particle class:
  • Deprecated method find method removed. Use findall or finditer instead.
  • HTML Greek letters in particle names use hex code rather than entity name.
• PDGID class method and related standalone functions:
  • Deprecated function is_composite_quark_or_lepton removed. Use is_excited_quark_or_lepton instead.
• Documentation:
  • README updated with info on the new experiment-specific module particle.lhcb.
• Miscellaneous:
  • Support for Python 2 and Python 3.5 dropped.
  • Full static typing implemented.
• Tests:
  • Pre-commit hooks updated.