Renamed and exported createMetrics
Added and exported scrollbarWidth
Fixed selection in dialogs
Added list watchers
Added add button to list watchers
Fixed height of empty list watcher cells
Added add button asset
Implemented scrolling to index when modified
Added scrolling to cell when accessed
Fixed execution speed
Tweaked list cell metrics
Added some colons
Added list cell index highlighting
Added redraw when list watcher changes
Added Stage::sprites
Fixed a filler update
Fixed menus with file inputs as their first item hiding on mouseup
Added list import/export
Implemented checkboxes for list watchers
Fixed a bug in importing lists