Store TypedAttribute fields on class obj
Remove MediaDict, OrderedMediaDict, NamedObject
Remove TypedAttributes
Remove name attributes from objects
Remove names, fix attributes
Make sprites a list
Make tempo global
Fix Watchers with VariableReference and ListReference
Re-add costume.name; Add costume_index property
Fix costumes
Start scratch20 saving
Temporary CostumeFromPath hack for too many open files error
Split Costume class into Costume and Image
Add Watcher slider min/max; add module to reprs