3 * code refactoring, much more readable now
4 * dropped the "du" exploration mode
5 * dropped the read-from-file mode and input "correct" cludge
6 * Use the new -T option to specify arbitrary input, and avoid dupes.
7 * Use the new option -F to follow symlinks
9 * new option simple/stupid mode
10 * no space-efficiency optimisation, instead trying to store in alphabetic
15 * cosmetic, correct usage and long help
19 * proper fix for the = filenames
23 * rewrite of some data input code, now using internal directory scanning
24 (exploration) go get data, not trusting du -a crap
25 * estimative calculation for filesystem overhead for directory entries
26 * workaround for = in filenames