Changes from 1.6.1 to 2.0.0:
Add ncurses mode for interactive file deletion (plain mode still available via --plain or ./configure).
Add --minsize option.
Add --maxsize option.
Add --time option.
Add --order=ctime option.
Add --log option.
Use configure script for installation (Autotools/Automake).
Changes from version 1.6.0 to 1.6.1:
Fix 'invalid option' error for -I.
Changes from 1.51 to 1.6.0:
Add --nohidden option.
Add --permissions option.
Add --order option.
Add --reverse option.
Add --immediate option.
Speed up file comparison.
Fix bug where fdupes fails to consistently ignore hardlinks, depending on
file processing order, when F_CONSIDERHARDLINKS flag is not set.
Fix bug in is_hardlink(): Proper traversal of duplicates is done via
dupe->duplicates, not via dupe->next.
Revise md5.c to compile under OSX.
Remove EXTERNAL_MD5 configuration option.
Various other changes (see git log).
b3a6e1dc83