+ver 5.9:
+ Fix issue with network service and adapter removal.
+ Fix issue with misleading OBEX error messages.
+ Fix issue with OBEX transport reference handling.
+ Fix issue with memory leak with MAP event handler.
+ Fix issue with missing MAP property changed signal.
+ Fix issue with message type property values.
+ Fix issue with empty UUID list for devices.
+ Fix issue with profile agent cancel method.
+ Remove dependency on USB library.
+
ver 5.8:
Fix issue with missing OBEX session properties.
Fix issue with missing SDP service refresh.