Skype released version 3.0 of its app for iOS late last night, adding long-awaited video calling to the list of features for the popular VOIP app. This feature comes on the heels of a support document discovered last week by Engadget on Skype’s site that hinted at video calling features on the iPhone. Skype first released its free iOS app in early 2009 and added the ability to make calls over 3G in its last major update over the summer.