Version 0.2.2

merge PR #9
Thanks contribute @tenkoma .

Version 0.2.1

Merge pull request #8 from sizuhiko/develop

For Release v0.2.1

Version 0.2.0

Merge pull request #5 from sizuhiko/develop

For Release v 0.2.0

Version 0.1.1

Merge pull request #3 from sizuhiko/develop

Release 0.1.1

First release

v0.1

fix psr-2