+ .crossfade command????
+ * .soundstream
+ * text: newlines
+ * .egon (stub is there, never really implemented)... folding edges?
+ * dump format for ingestion into swifty?
+ * .editbox
+ * .importassets, .import
+ * default output filename (name.sc -> name.swf) if unspecified
+ * change .swf to .flash ?
+ import swfs with .swf instead of .movie?