Revert "Revert "adding indexnumbers module""

This reverts commit 51176f2130102c8d0c36f5d43c5d12fa0e040ba2.
updating model (best_estimator)
new models
adding new model
Merge branch 'develop' of https://github.com/joelkuiper/spa into origin/develop
Merge branch 'master' into develop

* master:
  Handle node classes better
  Add extra TestDocument
  Can't brain today
  Can't brain today
  Slightly better handling of overlaps
  What depraved madman thought this would work
  Use Open Sans
  Keep the models
Merge Risk of Bias and Population size 

I am not too happy with the code duplication ...
I'll likely move all the pipeline bits to a separate repo, to be called with a queue (likely Redis)
Dynamic typing, yay.

Is there a core.typed optional type system for javascript?