Returning zero nodes if user queries for owner=non-empty string AND public_owner because no nodes should qualify there.
Returning zero nodes if user queries for owner=non-empty string AND public_owner because no nodes should qualify there.

MG-RAST/Shock,teharrison/Shock,wgerlach/Shock,MG-RAST/Shock,teharrison/Shock,teharrison/Shock,wgerlach/Shock,wgerlach/Shock,MG-RAST/Shock,wgerlach/Shock,wgerlach/Shock,MG-RAST/Shock,teharrison/Shock,teharrison/Shock,teharrison/Shock,MG-RAST/Shock