v0.3.0

• Add python 3.12 support (#17)
• Drop python 3.6 support. Supported python versions are: 3.7-3.12 (note: python 3.13 will not work, see changes in devel version)
• Fix parse error on Python3.10 match case 'True'|'False' (#19)
• Better lazy-loading suppot
• Code refactoring