v1.8.0

• New: Added comment-always option to leave a comment of benchmarking results at the commit always. Thanks @pksunkara
• New: Added save-data-file option to skip saving data file. Setting false to this value is useful when you don't want to update Git repository. Thanks @pksunkara
• Improve: +/- is now replaced with ±
• Improve: Better formatting for floating point numbers