[feature] Instituted time-tracking for alerts (2h)
[skip] Added reports for personal velocity (1h)
[fix] Fixed adding a task to a sprint (3m)
[fix] Enforced locking sprints, allowed adding tasks related to tickets in the sprint (20m)
[refactor] Cached project_id on tasks (5m)
[refactor] Renamed `release!` to `released!` so `Task#released!` matches `Task#committed!` (2m)
[improvement] Flagged tasks for Library projects as completed when committed (30m)
[fix] Took weekends into account when calculating deadlines for Alerts (10m)