dupes: start implementing auto-deletion of duplicates
dupes: start implementing auto-deletion of duplicates

`dupes --remove "Downloads/*"` would automatically delete matching
files (but will keep at least one copy if all match).

grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks