v0.17.0

• Performed code refactoring.
• Added log_d(), log_i(), log_w(), log_e(); used them instead of raw print().
• Improved log and prompt messages.
• Replaced hashlib.blake2b with nacl.hashlib.blake2b.
• Added docstrings and comments.
• Improved error handling; handled nonce counter overflow and EOFError for every input().
• Changed the numbering of input options.
• Added limitations for input options set to: 1023 for passphrase size, 2^60 for output file size (in action 8), and 10^18 for maximum padding percentage.
• Applied strip() for integer and boolean input options.
• Improved type hinting using the features of Python 3.9; the minimum required version of Python has been updated to 3.9.
• Added pyproject.toml.
• Removed setup.py.