Kafka-logging-handler

- Don't redefine `sys.excepthook` if no logger provided 22
- MacOS compatibility fix 26
- Fail-safe startup of the handler 27
- Optional retries for initialization 28

- Fix top-level exception logging 15
- Optional argument for logging preprocessing 16
- Submit parseable timestamp to ELK 17
- Fixed bug: subprocess blocks when attempts to emit logs to Kafka instead of sending them to main process 18

Fix compatibility with Python3 14

Fix serialization before sending data to Kafka 12 13

11 Add multiprocessing support

- Add option to provide additional fields 10
- Add simple usage example 9
- Add serialization of logging arguments 8
- Fix traceback of unhandled top-level exceptions 7