guardian/content-api-scala-client — pull request #31 by gklopper (2014-05-01 13:34:41+00:00)
Title: Made webPublicationDate optional.

(Don't merge yet, I'm still making sure there are no problems)

This enables preview.

Backwards compatibility has been maintained (except maybe if people are using the `unapply()` method).

@JustinPinner @tackley this look ok?