Add initial median support
More clean-up for medians
Update BigQuery data
Revise output to be percentile based
Support for percentiles
More rough work
More in-progress refactoring
More clean-up - need refactor
Big code refactor.
Tweaks to output, drop debug csv
Clean-up constants (first sweep)
Formatting fixes for output module.
Bump package, add more keywords.
Merge branch 'medians'

* medians:
  Bump package, add more keywords.
  Formatting fixes for output module.
  Clean-up constants (first sweep)
  Tweaks to output, drop debug csv
  Big code refactor.
  More clean-up - need refactor
  More in-progress refactoring
  More rough work
  Support for percentiles
  Revise output to be percentile based
  Update BigQuery data
  More clean-up for medians
  Add initial median support