uxebu/bonsai — pull request #122 by davidaurelio (2012-10-19 12:26:11+00:00)
Title: Signature changes for `DisplayList#add()`

Makes `DisplayList#add(child, undefined)` equivalent to `DisplayList#add(child)`.
At the moment, `DisplayList#add(child, undefined)` works as `DisplayList#add(child, 0)`, which requires argument checking in many methods that use `add()`.