A developer claims that a previously-announced new iOS 7 feature — higher frame rate video recording — will actually be more powerful than expected. During WWDC, Apple announced that iOS 7 would add support for 60 frame per second video recording. According to Hamza Sood, hidden references inside the latest iOS 7 beta releases indicate support for up to 120 frame per second recording, which is four times as many frames per second as users are…