libffi-dev installation and python's setuptools upgrade added
libffi-dev installation and python's setuptools upgrade added

dissemin/dissemin,wetneb/dissemin,wetneb/dissemin,dissemin/dissemin,dissemin/dissemin,wetneb/dissemin,dissemin/dissemin,wetneb/dissemin,dissemin/dissemin