* O(1) concatenation of singly- and doubly linked lists.
There is also new `toSinglyLinkedList` and `toDoublyLinkedList`
functions for conversion from `openArray`s, similarly
to `toHashSet` or `toTable`.
* Add `sequtils` import to runnable examples with `toSeq`.
* Added missing call to runnable examples.
* Add .since annotation, changelog, and tests.
* Rename `lists.concat` as an overload to `lists.append`.
* Renamed `append` to `add` in lists.
* Remove faulty `add` for `DoublyLinkedList`s.
* Improved tests for lists.
* `lists.add` moves the second list; added `lists.copy` for shallow copy.
* More tests for `lists.add` and `lists.copy`.
* More compact tests for lists with templates.
* List concatenation with copying (`add`) and moving (tentatively `addMove`)
* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.
* Added extended example to `lists.copy`.
* Corrected .since annotations to 1.6
* Add .since annotation, changelog, and tests.
* Rename `lists.concat` as an overload to `lists.append`.
* Renamed `append` to `add` in lists.
* Remove faulty `add` for `DoublyLinkedList`s.
* `lists.add` moves the second list; added `lists.copy` for shallow copy.
* More tests for `lists.add` and `lists.copy`.
* List concatenation with copying (`add`) and moving (tentatively `addMove`)
* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.
* Since declarations changed to (1,5,1).
* Add .since annotation, changelog, and tests.
* Rename `lists.concat` as an overload to `lists.append`.
* Renamed `append` to `add` in lists.
* Remove faulty `add` for `DoublyLinkedList`s.
* `lists.add` moves the second list; added `lists.copy` for shallow copy.
* More tests for `lists.add` and `lists.copy`.
* List concatenation with copying (`add`) and moving (tentatively `addMove`)
* Renamed `addMove` to `addMoved`; renamed arguments according to the style guide.
* Changelog update.
* Fix rebasing errors.
* Self-adding with `lists.addMove` results in a cycle now.
Added some extra tests.
051477b314