* add test runner to ease pycharm dev
* fix broken import
* drop and recreate the clickhouse test db before running tests
* fix person uuid str json serialization issue
* make kafka optional in tests
* fix inits
* remove need for kafka in person.py
* fix a bunch of mypy errors
* fix function and add process_event to pipeline
* fixed missing params and tests
* change uuid and fix types
* types
* optimize for merge prop test
* make ClickhouseProducer to produce to clickhouse one way or another
* annotate types
Co-authored-by: Eric <eeoneric@gmail.com>
Co-authored-by: James Greenhill <fuziontech@gmail.com>
