added additional delegation methods to PhotoLibrary that are executed after changes to the PhotoLibrary from an external source
added additional delegation methods to PhotoLibrary that are executed after changes to the PhotoLibrary from an external source

CosmicMind/MaterialKit,whitepixelstudios/Material,CosmicMind/Material,GraphKit/MaterialKit,CosmicMind/MaterialKit,whitepixelstudios/Material,GraphKit/MaterialKit,CosmicMind/Material