Call back dictates cmd return buffer if provided
Call back dictates cmd return buffer if provided

tbeckham/eutester,nephomaniac/eutester,shaon/eutester,sjones4/eutester,tbeckham/eutester,nephomaniac/nephoria,sjones4/eutester,nephomaniac/nephoria,shaon/eutester,nagyistoce/eutester,shaon/eutester,nephomaniac/eutester,nephomaniac/eutester,tbeckham/eutester,sjones4/eutester,nagyistoce/eutester,shaon/eutester,nagyistoce/eutester,nagyistoce/eutester,sjones4/eutester,tbeckham/eutester