Instead we're going to move back to standard exceptions.
Using a custom Result class has created far far more problems
- The Stacktraces aren't always right
- Sometimes one forgets to check the Result error
- All other exception throwing code needing to be converted to Results
- Non idiomatic Dart code
I think it's better to just go back to exceptions. They have their
problems, but overall, I think it's a better approach.
I'm trying to get ride of this huge 'Note' class, and have it be quite
dumb. The idea is that we'll have separate Note subclasses - TxtNote,
MdNote, etc
