1.0.1

[AngheloAlf]

Added

• Allow invoking ipl3checksum as a CLI program.
  • Currently it only allows the -V/--version argument, which prints the
    version of the library.
• A CHANGELOG.md
• Cleanup the README.md
  • Reorder sections.
  • Add more notes about installing and the develop version.
  • Reference the changelog.
  • List features.
• Add a py.typed file.