Add initial homework notebook
Load in and perform minimal data processing on the closed.json dataset
Compute issues opened and users contributing per month
Create table a plot for issues per month
Create table of user statistics
Tentatively finish all parts
Run notebook, and fix issues with reporting average days
A little bit of code cleanup; add some comments
Add README
Rerun notebook in browser
Update .gitignore to ignore closed.json
Merge branch 'hw7'