retroscreen v0.9.0

⭐ New Features

• Store application window size on exit
• Add logic to undo/redo stack to handle "batches" of items
• Add extended copy/paste/delete to character set editor
• Check for workspace version on load to prevent incompatible workspaces being loaded
• Enable deletion of extended selection in Map Editor
• Add option to start new workspace with or without tileset
• Import 1-bit character set from image file
• Go beyond 256 character limit

📔 Documentation

• Add documentation for file import/export formats