VLCMediaLibraryKit.podspec: Update version to 0.8.1b3
VLCMediaLibraryKit.podspec: Update version to 0.8.1b3

TheHungryBu/MediaLibraryKit,TheHungryBu/MediaLibraryKit,TheHungryBu/MediaLibraryKit,TheHungryBu/MediaLibraryKit