Pickpack v2.0.0

Special thanks to @UnknownUser95, whose pull request is the basis for the new version.

What's Changed

⚠️ Breaking changes ⚠️

• Minimum Python version: 3.9
• Tree display now uses RenderTree
• Added type hints for arguments and return values

Other changes

• Refactoring of selection methods
• Colour customization for multiselect
• Added parentheses customization
• Improvements to PEP8 compliance

Based on PR: Use RenderTree for tree display by @UnknownUser95 in #6

Full Changelog: v1.0.2...v2.0.0

Pickpack v1.0.2

Minor changes:

• Bug fix: exception thrown due to indexing error
• Dependency updates

Pickpack v1.0.1

Minor changes:

• Update dependencies
• Pytest is dev only

Pickpack v1.0.0

Pickpack, the tree picker, comes to life!