* WIP job results
* Result can now be saved
* Successfully saved and restored result
* result.save() should accept pipeline
* Successful results are saved
* Failures are now saved properly too.
* Added test for Result.get_latest()
* Checkpoint
* Got Result.all() to work
* Added Result.count(), Result.delete()
* Backward compatibility for job.result and job.exc_info
* Added some typing
* More typing stuff
* Fixed typing in job.py
* More typing updates
* Only keep the last 10 results
* Documented job.results()
* Got results test to pass
* Don't run test_results.py on Redis server < 5.0
* Fixed mock import on some Python versions
* Remove Redis 3 from test matrix
* Jobs should never use the new Result implementation if server is < 5.0
* Results should only be created is Redis stream is supported.
* Added back Redis 3 to test matrix
* Fixed job.supports_redis_streams
* Fixed worker test
* Updated docs.
Selwin Ong