Various fixes & improvements
- fix(down): Adding error handling to get_non_shared_remote_dependencies (#180) by @IanWoodard
- ref(update): Adding caching to checking for latest version (#179) by @IanWoodard
- avoid checking for update in CI (#177) by @hubertdeng123
- feat(purge): Updating purge to only stop relevant containers (#176) by @IanWoodard