Merge pull request kubernetes-client#538 from brendandburns/version

Get ready for the 0.13.0 release.

Merge pull request kubernetes-client#533 from brendandburns/owners

Update owners file to move mbohlool to emeritus

Merge pull request kubernetes-client#510 from NicolasFloquet/openid-c…

…lient-upgrade

Update openid-client version to 4.1.1

Merge pull request kubernetes-client#500 from Nokel81/config-load-filter

Add option to filter invalid items when loading a config

Merge pull request kubernetes-client#446 from ddgenome/object-api

Add KubernetesObjectApi

Merge pull request kubernetes-client#434 from brendandburns/coverage

Fix lint action, fix lint error.

Merge pull request kubernetes-client#396 from brendandburns/validate

Fix watch to emit an error twice on error. Add tests.

Merge pull request kubernetes-client#354 from brendandburns/headers

Fix a bug if the headers array is null or undefined in exec auth.

Merge pull request kubernetes-client#346 from brendandburns/package

Fix packaging.

Merge pull request kubernetes-client#277 from brendandburns/informer

Add basic informer functionality.