Merge pull request #662 from VisActor/release/0.16.9

[Auto release] release 0.16.9

Merge pull request #659 from VisActor/release/0.16.8

[Auto release] release 0.16.8

Merge pull request #656 from VisActor/release/0.16.7

[Auto release] release 0.16.7

Merge pull request #651 from VisActor/release/0.16.6

[Auto release] release 0.16.6

Merge pull request #648 from VisActor/release/0.16.5

[Auto release] release 0.16.5

Merge pull request #645 from VisActor/release/0.16.4

[Auto release] release 0.16.4

Merge pull request #642 from VisActor/release/0.16.3

[Auto release] release 0.16.3

Merge pull request #638 from VisActor/release/0.16.2

[Auto release] release 0.16.2

Merge pull request #636 from VisActor/release/0.16.1

[Auto release] release 0.16.1

Merge pull request #634 from VisActor/release/0.16.0

[Auto release] release 0.16.0