Merge pull request DataDog#680 from DataDog/0.19-dev

0.19.0 to stable

Merge pull request DataDog#676 from DataDog/bump_to_version_0.18.3

Bump to version 0.18.3

Merge pull request DataDog#667 from DataDog/bump_to_version_0.18.2

Bump to version 0.18.2

Merge pull request DataDog#663 from DataDog/bump_to_version_0.18.1

Bump to version 0.18.1

Merge pull request DataDog#659 from DataDog/0.18-dev

0.18.0 to stable

Merge pull request DataDog#644 from DataDog/bump_to_version_0.17.3

Bump to version 0.17.3

Merge pull request DataDog#638 from DataDog/bump_to_version_0.17.2

Update Changelog and Bump to version 0.17.2

Merge pull request DataDog#623 from DataDog/bump_to_version_0.17.1

Bump to version 0.17.1

Merge pull request DataDog#601 from DataDog/0.17-dev

0.17.0 to stable

Merge pull request DataDog#592 from DataDog/bump_to_version_0.16.1

Bump to version 0.16.1