Krules-core

Refactor PUBLISH_PROCEVENTS env variable to PUBLISH_PROCEVENTS_LEVEL

- Add source in procevents payload
- Allow wildcard message subscription
- Fix KeyError issue when RuleFunction init fails

- ProceventsLevel refactoring

v.0.8.2
- Handle procevents level with environment

Freeze dependency version

- Add misc in base_function imports

- Rule_name is now injected in function instance;
- When an exception occurred during the execution of the filter section, no 'processed' flag was generated in the produced metric (procevent), now it is valued to False;
- Fix DefaultArgProcessor argument parsing;
- Refactor types import name to event_types.