Lithops

Fixed
- [Core] Fix "lithops runtime create" cli
- [Core] Fixed missing executor_id variable in jobrunner

Added
- [Core] Add joblib backend for scikit-learn
- [Cli] Add more config parameters in lithops cli
- [IBM COS] Add 'region' config param
- [Knative] Add 'min_instances', 'max_instances' and 'concurrency' config params

Fixed
- [Core] Fix job monitoring on Windows hosts
- [Knative] Minor fix when using knative from master branch
- [GCE] Fix in 'lithops runtime' cli
- [Core] Minor fix in tests
- [Core] Fixed data partitioner

Fixed
- [Core] Fixed issue in serverless config
- [Core] Fixed issue in localhost storage backend
- [Code Engine] Fixed issue in code engine backend

Added
- [Core] New 'lithops logs' command
- [Core] New job cleaner process

Changed
- [Core] localhost/standalone logging per job-id
- [Core] Updated tblib to 1.7.0
- [Core] Updated ps_mem lib
- [Core] Standalone logic to ssh

Fixed
- [Core] Fixed issue in localhost executor and Mac OS
- [Core] Fixed issue in localhost storage backend

Added
- [Core] Cloudpickle 1.6.0 for python>=3.8
- [Core] Multiprocessing API
- [Core] Added "--mode" option in tests
- [Core] Sync standalone function logs into a local file

Changed
- [Core] Improved localhost/standalone logging
- [Core] Allowed to run lithops without configuration

Fixed
- [Core] Fixed some issues in localhost executor logic

Fixed
- [Core] Prevent lithops waiting forever for the proxy ready
- [Core] Multiprocessing invoker in MAC OS
- [Knative] Istio endpoint issue in knative backend