fixed uncaught exception when interface is not a biasgen interface, e.g. chip interface is a pure AESequencerInterface. This was causing a classcast exception in the case that the AEChip was bound to an AESequencerInterface and a user changed a chip bias setting.
fixed uncaught exception when interface is not a biasgen interface, e.g. chip interface is a pure AESequencerInterface. This was causing a classcast exception in the case that the AEChip was bound to an AESequencerInterface and a user changed a chip bias setting.

git-svn-id: e3d3b427d532171a6bd7557d8a4952a393b554a2@790 b7f4320f-462c-0410-a916-d9f35bb82d52

viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer