Rapid turnaround just may be the name of Facebook's game. Just a few weeks after its SDK 3.0 for iOS reached beta, the new developer tool has surfaced in a polished version. As it's shipping, the SDK continues to emphasize a more iOS-native experience, better API support and slicker session management. Any iOS 6 integration will still have to wait until Apple finishes its software update; Facebook is keeping a separate beta track
