+ver 4.48:
+ Add library function for comparing UUID values.
+ Add support for creating all plugins as builtins.
+ Add support for async handling of service class changes.
+ Add support for source interface to audio IPC.
+ Fix device name settings when device is off or down.
+ Fix issue with enabled SCO server when not necessary.
+ Fix missing D-Bus access policy for CUPS backend.
+ Fix discovery results of CUPS backend.
+ Fix initialization handling of Maemo telephony.
+
ver 4.47:
Add support for RFKILL unblock handling.
Add support for serial proxy configurations.