v0.8.6

Changed

• Significant QA work on all the documentation, thanks @santiviquez and
  @maciejbalawejder
• Reworked the nannyml.runner and the accompanying configuration format to improve flexibility (e.g. setting
  custom initialization parameters, running a calculator multiple times, excluding a calculator, ...).
• Added support for custom thresholds to the nannyml.runner
• Simplified some of the nannyml.io interfaces, especially the nannyml.io.RawFilesWriter
• Reworked the nannyml.base.Result
• Totally revamped quickstart documentation based on a real life dataset, thanks @jakubnml

Added

• Added new calculators to support simple data quality metrics such as counting missing or unseen values.
  For more information, check out the data quality tutorials.

Fixed

• Fixed an issue where x-axis titles would appear on top of plots
• Removed erroneous checks during calculation of realized regression performance metrics. (#279)
• Fixed an issue dealing with az:// URLs in the CLI, thanks @michael-nml (#283)