Merge pull request #74 from MinoruSekine/fix/v4/70/illegal-app-name-dash

fix: Changes for v4.0.1 (#73)

Merge pull request #41 from MinoruSekine/doc/39/update_readme_for_v4

doc: Update README.md from v3 to v4. (#39)

Merge pull request #33 from MinoruSekine/doc/28/update_readme_for_v3

doc: Updated README.md for `@v3` release.

Merge pull request #20 from MinoruSekine/doc/7/update_for_v2

doc: Update README.md for @v2.

Initial implementation and document.