Merge pull request tj#748 from abetomo/version_bump_2.13.0

version bump 2.13.0

Merge pull request tj#726 from abetomo/version_bump_2.12.2

version bump 2.12.2

Merge pull request tj#721 from abetomo/version_bump_2.12.1

version bump 2.12.1

version bump 2.12.0

version bump v2.11.0

version bump v2.10.0

Merge pull request tj#453 from zhiyelee/master

version bump

Merge pull request tj#398 from zhiyelee/backout

Backout `support multiline description`

Merge pull request tj#391 from zhiyelee/newversion

prepare for next release v2.8.0

Merge pull request tj#369 from zhiyelee/patchrelease

patch version