Results 3 issues of Pierre Marion

Hi, In your documentation, you write that the `aggregatorName` key should take as default value the first key in `aggregators`, but in the code (Utilities.js, line 777), the default value...

When the whole demo nb is run at once (Run All button), the following error arises: ![image](https://user-images.githubusercontent.com/22172854/35395432-a3d393b0-01ea-11e8-8cf1-58319e8d5d03.png)

bug

I believe that the way your code is implemented makes the first iteration of the main While loop in dfo_tr useless in some cases. Indeed, in the while loop, for...