## 0.1.5
* Add `LinkedHashSet::drain`.
* `LinkedHashSet::back` now uses `&self` instead of `&mut self`.
* Require _linked-hash-map_ 0.5.6.

## 0.1.4
* Require _linked-hash-map_ 0.5.3.

## 0.1.3
* Add `DoubleEndedIterator` support.
