gitlearn uses sqlite
More persistence code.
Handle errors, fix counting bug
Drop tables before creating them.
Add primary key so I can do --append in the future.
Fix incorrect comment in learn.py
Remove unused learn.py file.
Flake fixes
Remove tests for removed code from learn.py
Ignore commits touching lots of files.
Style fix
Fix type problem in gitlearn -n argument
Merge pull request #16 from mhoye/sqlite-storage

Use SQLite for storage of training data