• Drop Python 2 support
• Windows compatibility: "" quote Python interpreter path (#115, @fcollonval)
• Add --dry-run flag (#122)
• Support specifying keep_output as a cell tag (#117, @scottcode)
• Improved error handling for the case where git is not installed (#124)
• Nicer error message when input file is not found
• Use universal newlines without conversion (#110, #126, @ooiM)
• Strip execution timing from cell metadata (#118)
• Document which metadata is stripped by default
• Make --global commands work outside of git repository (#123)