1- the old RIS url is not functional anymore, so need to
   parse HTML...
2- require BeautifulSoup to do it
3- the authors list is properly comma-joined this time

fix #110


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because "Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4."


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(for the PCA correlation circle)


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django_pandas does not enable the generation of dataframe from
model properties, only from fields


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this work is an implementation of #49, and includes code written
by @plaville.


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see https://github.com/django-extensions/django-extensions/issues/1176#issuecomment-372069285

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add typing until django_extensions conditional requirements gets fixed (https://github.com/django-extensions/django-extensions/issues/1176)

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Add Wizard form functionalities to generate successive forms & update css according to the new forms.

Update Django admin page and Admin session. Create forms needed and update css file for forms elements

do not forget to update dependencies.