yui/yui3 — pull request #148 by juandopazo (2012-05-24 13:49:05+00:00)
Title: Nodelist#plug and unplug made chainable. Documented both

Hey!

Both `plug` and `unplug` weren't chainable in `NodeList`. It was weird not being able to write `var list = Y.all(foo).plug(Y.Plugin.Foo)`. So I made them chainable and added some docs with a little copy-paste from `PluginHost`.