0.18

Improvements:

• Finalizer is not added if there are no deletion handlers. #118
• Deletion handlers can be optional to prevent adding finalizer. #118
• Script's dir is added to import paths to mimic Python's behaviour. #93 #133
• .status is ignored in the last-handled state checks (except for fields used in field-handlers). #131
• .metadata is ignored in the last-handled state checks (except for labels & annotations). #131
• Operator freezes if the same-priority operator appears (previously, only warned). #114

Bugfixes:

• The peering self-record was not properly removed on exit. #114
• Restrict to kubernetes<10.0.0 to keep Kopf runnable at all. #134

Internal changes:

• Examples can now have their own dedicated tests. #126