Merge pull request #55 from erwanp/fix/installfailpython37

temp fix for #54 : deactivate PYthon 3.7 testing

0.3.1

0.2.12

Merge branch 'develop'

# Conflicts:
#	pytexit/pytexit.py

Merge pull request #3 from erwanp/develop

0.2.1: reliable deployment on Pypi