Merge pull request #111 from nulab/release-0.13.6

0.13.6

Merge pull request #107 from nulab/release-0.13.5

0.13.5

Merge pull request #104 from nulab/release-0.13.4

0.13.4

Merge pull request #94 from nulab/release-0.13.3

0.13.3

Merge pull request #92 from nulab/release-0.13.2

0.13.2

Merge pull request #81 from nulab/release-0.13.1

0.13.1

Merge pull request #78 from nulab/release-0.13.0

0.13.0

Merge pull request #65 from nulab/release-0.12.6

0.12.6

Merge pull request #57 from nulab/release-0.12.5

0.12.5

Merge pull request #48 from nulab/release-0.12.4

0.12.4