- [ ] MooTools 1.5.2 - [ ] review 1.5.2 milestone and move to 1.5.3 - [ ] ES7 Element.contains - [ ] [MooTools Website 1.1](https://github.com/mootools/website/issues?q=is%3Aopen+is%3Aissue+milestone%3A1.1) - [ ] MooTools Docs deprecation warnings - [ ] Migrate and prepare Guides
