0.5.0:
- Removed the requirement that the items implement Clone.
0.4.2:
- Removed more unnecessary clones.
0.4.1:
- Removed unnecessary clone.
0.4.0:
- Now accepting slices instead of just vectors.
0.3.0:
- Replaced `diff_with_key` with `diff_with_compare`.
0.2.0:
- Relaxed a trait bound from Eq to PartialEq.