0.27rc6

Originally released on 2020-05-11 16:37:41+00:00 (link).

Documentation:

• Explain the "structural schemas" of K8s 1.16+, and v1-vs-v1beta1 CRD differences. #364
• Switch KopfExample & KopfPeering from v1beta1 to v1 CRD API; keep v1beta1 nearby. #364

Fixes:

• Better detection of instantly exiting daemons/timers. #360
• Fix premature finalizer removal with 2+ deletion handlers. #361
• Avoid no-effect patching and potentially delaying handling cycles. #362

Internal changes:

• Coveralls is made optional. #363