- lkarmaUsb: Manage the "smalldb" in addition to the fids?/_000??/??1 files
- lkarmaUsb: Check correctness of get_storage_details() 
- lkarmaUsb: Implement a true get_device_settings() using USB commands
- lkarmaUsb assumes that all the required dirs under the mount point exist
- lkarmaUsb: Create/delete directories mountPoint/fids?/_000?? as needed