Merge pull request #267 from bannzai/up/version/0.9.1

🆙 version 0.9.1

Merge pull request #258 from bannzai/fix/release/0.9.0

Fix release 0.9.0

Merge pull request #139 from kishikawakatsumi/release_084

Bump version to 0.8.4

Merge pull request #132 from kishikawakatsumi/release-083

Bump version to 0.8.3

Merge pull request #128 from kishikawakatsumi/release082

Bump version to 0.8.2

Merge pull request #122 from kishikawakatsumi/release081

Bump version to 0.8.1

Merge pull request #107 from kishikawakatsumi/release080

Bump version to 0.8.0

Merge pull request #100 from kishikawakatsumi/release_073

Bump version to 0.7.3

Merge pull request #78 from kishikawakatsumi/release-072

Bump version to 0.7.2

Merge pull request #72 from kishikawakatsumi/release-071

Bump version to 0.7.1