Add CreateWinsLosses view and db:migrate. Create Leaderboard controller and render json.
Create FollowersFollowees view and db:migrate. Update Leaderboard controller and render json.
Join table for leaderboard now works!
Update leaderboard with new query.
Merge pull request #49 from paulld/win_loss_view

Create a SQL query for wins/losses/tentatives and followers/followees.