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
Added list watcher deserialization
Fixed vis.util.format
Implemented list serialization
Fixed list/stage hit testing
Fixed showing context menus for hidden list watchers
Fixed list watcher checkboxes