* dbusbind.c (QCdbus_type_byte, QCdbus_type_boolean)

* dbusbind.c (QCdbus_type_byte, QCdbus_type_boolean)
(QCdbus_type_int16, QCdbus_type_uint16, QCdbus_type_int32)
(QCdbus_type_uint32, QCdbus_type_int64, QCdbus_type_uint64)
(QCdbus_type_double, QCdbus_type_string, QCdbus_type_object_path)
(QCdbus_type_signature, QCdbus_type_array, QCdbus_type_variant)
(QCdbus_type_struct, QCdbus_type_dict_entry): New D-Bus type
symbols.
(XD_LISP_SYMBOL_TO_DBUS_TYPE): New macro.
(XD_LISP_OBJECT_TO_DBUS_TYPE): Add compound types.
(xd_retrieve_value): Removed. Functionality included in ...
(xd_append_arg): New function.
(Fdbus_call_method, Fdbus_send_signal): Apply it.