v0.3.0

Changelog

42b891b add client auth plugins import
b4845a6 add known issues to readme
a1598b9 add kubernetes client auth plugin vendor deps
4d4aa97 add users and cluster cleanup when the entry is not defined by a context
4b8cfb2 format readme
2e159fb log error when rest client fails to initialize
ab7fdd0 update README
23cb198 update readme
148092f update readme, remove --save cmd flag