add first draft of the paper
finalise draft
update (2 missing references and typos)
update missing references and a few typos.
fix title
fix title
update paper with reviewers comments.
update paper with typos and small corrections
fixing referecnces
fixing referecnces
fix 2 typos
Merge pull request #38 from cokelaer/master

Paper: Diving into Human cell with bioservices and cellnopt (T. Cokelaer)