Fix handling of charms built with charmcraft since the 1.1.0 release, which both switched to LXD containers for doing the build (leading to issues with referenced local files such as built libraries) as well as changed the name of the built .charm file to include info about the OS, series, and arch.
Fix handling of charms built with
charmcraftsince the 1.1.0 release, which both switched to LXD containers for doing the build (leading to issues with referenced local files such as built libraries) as well as changed the name of the built.charmfile to include info about the OS, series, and arch.Fixes #23