Versions review - necessary updates and features#45

Merged

matuskosut merged 12 commits intomasterfrom versions-review

Nov 18, 2019

+830-260

Commits on Nov 17, 2019

Commits on Nov 18, 2019

use new libjuju only on with newer version of python - xenial package python 3.5.2 will allow support for older version of libjuju compatible with juju 2.4
matuskosut
committed
update logging in upgrade methods
matuskosut
committed
update tests
matuskosut
committed