Update README and CHANGELOG for v6.0.0b1
+# v6.0.0b1
+- Update to Kubernetes 1.10 cluster
+- New API: add PATCH to CustomObjectsApi [kubernetes-client/gen#53](https://github.com/kubernetes-client/gen/pull/53)
+- Documentation update: never let cluster-scoped resources skip webhooks [kubernetes/kubernetes#58185](https://github.com/kubernetes/kubernetes/pull/58185)
+
# v5.0.0
- No changes. The same as `v5.0.0b1`.
