After a lot of stops and starts, I think I have finally ironed out the issues with uploading to NXTs (🤞). I've also improved the upload reporting -- adding a speed display and using human-readable sizes (B, KB, MB, etc.). Various other small tweaks and bugfixes, too.
**Full Changelog**: https://github.com/jramboz/py2saber/compare/v0.16.0...v0.17.0