1.8.0

• Exposed IJ to cell ID conversion functions as publicly available

1.7.3

• Fixed doc links and sitemaps

1.7.2

• Replaced pylint and flake8 with ruff
• Further fixed type hinting to prevent unnecessary compatibility break with Python 3.8

1.7.1

• Fixed type hinting to prevent unnecessary compatibility break with Python 3.8

1.7.0

• Added support for finding neighbors of a cell ID
• Updated useful S2 links in docs
• Updated testing for Python 3.11 and 3.12
• Dropped testing of Python versions 3.7 and 3.8. These versions will likely continue to function but are no longer explicitly supported

1.6.0

• Dropped support for Python 3.6
• Fixed token_is_valid() accepting some invalid tokens

1.5.0

• Moved main source out of __init__.py
• Moved docs hosting to Read the Docs
• Updated docs to improve readability

1.4.0

• Removed dependency on NumPy and improved performance

1.3.0

• Added cell_id_to_parent_cell_id() and token_to_parent_token()
• Added custom exception types for invalid cell IDs and tokens
• Tidied docs generation

1.2.0

• Added token and cell ID validation functions cell_id_is_valid() and token_is_valid()
• Added token_to_canonical_token()
• Added S2 Concepts page to docs