Complier Warning
Adding MBProgressHUD
TODOs
more TODOs
better spotify loading tracking
generic showAlert for Errors
fetching spotify artists using blocks making it more stable and less error prone
Progress hud on spotify
exposing segmentedControl for PASExtendedNavContainer
TODOs
disable the segment during loading
Refresh UI after new album shows
better showAlert
Default should be Cancel (aka do nothing)
presenting on the pageViewController puts it into the center
check for self.isFetching is useful in the error case
return nil will crash with an Assert
recover from an error by providing a retry
try fetching if no artists on viewWillAppear
better present on extendedNavController so it does not show up in siblings