1. State file now uses sqlite database instead of json file;
2. Introduced configurable limits for state file size;
3. Introduced configurable cleanup quotas for state file;
4. Fixed bug in dvc repro --dry where it was checking for missing dependencies;
5. Fixed bug in dvc run where it was producing empty dvc files when ran without arguments;
6. State and link state files are now combined into single .dvc/state;
7. Fixed bug in dvc where it was scanning unnecessary directories looking for dvc files;
8. Fixed bug in dvc run where it was allowing to specify -f with subdirectories, causing following dvc repro to fail;
9. DVC now lists files that it has changed and tells that they could be added with git;
10. Added ability to configure password for SSH remote;
11. Introduced -p|--pipeline option for dvc repro to reproduce the whole pipeline that the specified dvc file belongs to;
12. Fixed bug in ssh remote driver where it was hanging if there were too much files on the remote;
13. Support git submodules; Kudos @jeepkd;
14. Introduce -d|--with-deps option for dvc pull/push/fetch/status;
15. Fixed bug in pull/push progress bar where it was showing improperly joined paths on windows;