Sort by name within bins when printing the results of a SpaceTally.
=============== Diff against System-fn.1044 ===============
Item was changed:
----- Method: SpaceTally>>printSpaceAnalysis:onStream: (in category 'fileOut') -----
printSpaceAnalysis: threshold onStream: stream
"If threshold > 0, then only those classes with more than that number
of instances will be shown, and they will be sorted by total instance space.
If threshold = 0, then all classes will appear, sorted by name."