Allow multiple usernames in query username=*
Escape users when getting argument from client
When no item is selected on map, don't show any marker
Update sorttable.js from latest version
Use Unicode sorting instead of classic sort to correctly handle collation
Subtitle and date column on errors reporting are no longer sorted, so don't mark them as sorted for sorttable.js
No need limit on errors page
Fix limit on generic query when None
Make sure that params.limit has a default of 100