First, we were using the wrong space-filling format for %d and equivalent.
Second, we weren't parsing numbers with optional leading spaces correctly.
Yay tests!
This was breaking setTimeout and setInterval in Node, since I've already
unplugged env-js' event loop. With that out of the way, we can write tests for
transitions!
The Selectors API guarantees that results are returned in document order, but
Sizzle does not, by default. So now we sort the results when using Sizzle. Yay
tests!
Mike Bostock
Jason Davies