v0.4.0

Version 0.4.0

This release adds the functionality to abbreviate journal names based on the ISO4 standard.

Added

• Added function to abbreviate journal names based on the ISO4 standard using
  the pyiso4 implementation as part of the modernize command.

Changed

• Update packaging structure and metadata from old setup.py to
  pyproject.toml
• Change minimum Python version requirement to 3.8 due to the pyiso4 dependency

Full Comparison to Previous Version: v0.3.1...v0.4.0