Added pendingQueue, pendingQueueCount, mostRecentlyQueuedStillPendingItem. Added more documentation comments. Changed STKAudioPlayerInternalState to be private/hidden

ExampleApp/ExampleApp/AppDelegate.m

@@ -32,7 +32,7 @@
     
 	self.window.backgroundColor = [UIColor whiteColor];
     
-	audioPlayer = [[STKAudioPlayer alloc] init];
+	audioPlayer = [[STKAudioPlayer alloc] initWithOptions:STKAudioPlayerOptionFlushQueueOnSeek];
 	audioPlayer.meteringEnabled = YES;
 	
 	AudioPlayerView* audioPlayerView = [[AudioPlayerView alloc] initWithFrame:self.window.bounds];

ExampleApp/ExampleApp/AudioPlayerView.m

@@ -292,7 +292,7 @@
 	return audioPlayer;
 }
 
--(void) audioPlayer:(STKAudioPlayer*)audioPlayer stateChanged:(STKAudioPlayerState)state
+-(void) audioPlayer:(STKAudioPlayer*)audioPlayer stateChanged:(STKAudioPlayerState)state previousState:(STKAudioPlayerState)previousState
 {
 	[self updateControls];
 }