Merge pull request #767 from mackerelio/bump-version-0.63.0

Release version 0.63.0

Merge pull request #743 from mackerelio/bump-version-0.62.3

Release version 0.62.3

Merge pull request #735 from mackerelio/bump-version-0.62.2

Release version 0.62.2

Merge pull request #728 from mackerelio/bump-version-0.62.1

Release version 0.62.1

Merge pull request #716 from mackerelio/bump-version-0.62.0

Release version 0.62.0

Merge pull request #702 from mackerelio/bump-version-0.61.0

Release version 0.61.0

Merge pull request #693 from mackerelio/bump-version-0.60.0

Release version 0.60.0

Merge pull request #687 from mackerelio/bump-version-0.59.2

Release version 0.59.2

Merge pull request #673 from mackerelio/bump-version-0.59.1

Release version 0.59.1

Merge pull request #665 from mackerelio/bump-version-0.59.0

Release version 0.59.0