class documentation
        
        
        Singleton class to hold lists of received fragments in one 'global' object
| Method | __getattr__ | Delegate access to implementation | 
| Method | __init__ | Create singleton instance | 
| Method | __setattr__ | Delegate access to implementation | 
| Instance Variable | lists | Undocumented | 
| Class | __impl | Implementation of the singleton interface | 
| Class Variable | __instance | Undocumented |