### v0.1.5

- Fix active_record.rb to follow the change of AR after 5.2.

### v0.1.4

- Add Charwidth.to_full_width

### v0.1.3

- Change CLI behavier (Use ARGV as source text (not file name), show help for no augment with tty)

### v0.1.1

- Fix invalid convertion for harf-width katakana: TSU TE TO

### v0.1.0

- Initial release.