Favor charmworldlib over CharmStore
Deprecate usage of charmstore for charm
Capture non-ready API servers
Add coverage reporting
Which package to cover
Merge pull request #19 from marcoceppi/use-charmworldlib

Favor charmworldlib over charmstore.py
Merge pull request #22 from marcoceppi/run-juju-run

Capture non-ready API servers
Support py2 and py3 tests