1. Improve unicode support;
2. Status now returns non-zero code in -q|--quiet mode to reflect whether or not the pipeline is up-to-date;
3. Added support for Content-Md5 as an ETag alternative in http(s) remote driver;
4. Unified coding style by using "black" tool;
5. Implemented -R|--recursive support for dvc metrics show; Kudos @tdeboissiere ;
6. dvc import now supports --resume option to resume downloading if previous download failed;
7. Added support for credentialpath(aka GOOGLE_APPLICATION_CREDENTIALS) to gs remote driver;
8. dvc checkout now suggests git checkout just in case user mixed the two and tried to run dvc checkout <branch>; Kudos @mhham ;
9. Fix bug in dvc add that would throw an error if you try to call it twice in a row on the same file;