Using Xcode 6 Beta, the following two warnings appear:
/NanoStore/Classes/Advanced/NSFOrderedDictionary.m:55:15: Designated initializer should only invoke a designated initializer on 'super'
/NanoStore/Classes/Advanced/NSFOrderedDictionary.m:53:1: Designated initializer missing a 'super' call to a designated initializer of the super class
Using Xcode 6 Beta, the following two warnings appear: