Triage

Flip featuretest CLI arguments to match the doc [Resolves 486] (487)
Scheduled monthly dependency update for November (485)
Associate Experiment with all models and matrices [Resolves 411] (476)
Clean up Session Closing in Predictor [Resolves 478]
Downcast matrices [Resolves 372]
Update Contribution Guide [Resolves 425]
Initial run of Black for code formatting

Many changes here, largely related to introducing the Command Line Interface ported from DirtyDuck

Refactor functionality to ExperimentBase class [Resolves 400]
Feature testing functionality [Resolves 420]
Storage refactoring, experiment CLI [Resolves 424]
Timechop visualization CLI [Resolves 437]

- Triage components (Timechop, Collate, Architect, Catwalk, Results-Schema, Audition) ported from other repositories into `src.triage.component`
- Audition - rule generator + multiple output models [Resolved 355 346 343]
- Audition readme (382)
- Fixing s3 support [Resolves 364]
- inserting NULLs for individual feature importance - 361