* Renamed from human_readable_size() for clarity
* Now supports KB vs KiB
* Now supports negative values
* Removed width logic as that should be handled elsewhere
* Removed auto conversion to bytes if passed a string
* An exception will now be raised if an invalid size is given
* Script work is brought into better focus
* New layout will be used to better package the python scripts
* No hidden folders (they will be hidden at build time)
* All building should be done under setup/
* Avoids ambiguous .bin/.cbin folders at root of project
