update changelog and readme

Author: roycaihw

CHANGELOG.md

@@ -9,6 +9,9 @@
 - Fix Watch retries with 410 errors. [kubernetes-client/python-base#227](https://github.com/kubernetes-client/python-base/pull/227)
 - Automatically handles chunked or non-chunked responses. Fix ResponseNotChunked error from watch. [kubernetes-client/python-base#231](https://github.com/kubernetes-client/python-base/pull/231)
 
+**API Change:**
+- Add allowWatchBookmarks, resoureVersionMatch parameters to custom objects. [kubernetes-client/gen#180](https://github.com/kubernetes-client/gen/pull/180)
+
 
 # v18.0.0-snapshot
 

README.md

@@ -87,6 +87,7 @@ supported versions of Kubernetes clusters.
 - [client 11.y.z](https://pypi.org/project/kubernetes/11.0.0/): Kubernetes 1.14 or below (+-), Kubernetes 1.15 (✓), Kubernetes 1.16 or above (+-)
 - [client 12.y.z](https://pypi.org/project/kubernetes/12.0.1/): Kubernetes 1.15 or below (+-), Kubernetes 1.16 (✓), Kubernetes 1.17 or above (+-)
 - [client 17.y.z](https://pypi.org/project/kubernetes/17.14.0a1/): Kubernetes 1.16 or below (+-), Kubernetes 1.17 (✓), Kubernetes 1.18 or above (+-)
+- [client 18.y.z](https://pypi.org/project/kubernetes/18.17.0a1/): Kubernetes 1.17 or below (+-), Kubernetes 1.18 (✓), Kubernetes 1.19 or above (+-)
 
 > See [here](#homogenizing-the-kubernetes-python-client-versions) for an explaination of why there is no v13-v16 release.
 
@@ -124,6 +125,7 @@ between client-python versions.
 | 12.0 Alpha/Beta | Kubernetes main repo, 1.16 branch    | ✗                             |
 | 12.0            | Kubernetes main repo, 1.16 branch    | ✓                             |
 | 17.0 Alpha/Beta | Kubernetes main repo, 1.17 branch    | ✓                             |
+| 18.0 Alpha/Beta | Kubernetes main repo, 1.18 branch    | ✓                             |
 
 > See [here](#homogenizing-the-kubernetes-python-client-versions) for an explaination of why there is no v13-v16 release.