rounding setting when call include method

v0.5.0

bump version

update `including` method interface

#27 including method interface changed bit.

消費税増税対応

リリースしそこねたのでこちらでリリース

2019/10/01から消費税が10%になるのでその対応。
軽減税率にも対応。

v0.3.2: Merge pull request #18 from colorbox/bump-version

bump gem version

v0.3.1

re-release

v0.3.0

• add ruby 2.5.0 CI test
• add rounding function a.k.a 四捨五入 in Japanese

v0.2.4: Merge pull request #12 from colorbox/publish_gem_from_travis

Publish gem from travis

v0.2.3: Merge pull request #11 from colorbox/publish_gem_from_travis

version change

v0.2.2: Merge pull request #9 from colorbox/publish_gem_from_travis

bump

v0.2.1: Merge pull request #8 from colorbox/update-travis

Add continuous release with travis