Move to SQL, because yeah
Remove utility tables
Conform to my number of columns
No need to limit based on date
Only fetch later versions' data

Because bug.
Silly typo
Different timestamp format
Fix typo
Add new events and a new schema version
Per-wiki stats instead of just global

No perf stats yet. Standby.
Guess the new schema isn't ready yet
Oh, and of course, add the field I need.
Fix standard deviation
Add per-wiki queries for performance data
Remove useless things
Use new perf schema
Fix perf generation
Don't select NULL dates
Add new schema version
Oops, missed one