ENH: Handle empty cells appropriately (ignore)
ENH: Handle empty cells appropriately (ignore)

berendkleinhaneveld/VTK,arnaudgelas/VTK,sgh/vtk,johnkit/vtk-dev,ashray/VTK-EVM,gram526/VTK,mspark93/VTK,biddisco/VTK,candy7393/VTK,sumedhasingla/VTK,aashish24/VTK-old,candy7393/VTK,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,msmolens/VTK,hendradarwin/VTK,spthaolt/VTK,Wuteyan/VTK,ashray/VTK-EVM,gram526/VTK,spthaolt/VTK,Wuteyan/VTK,Wuteyan/VTK,naucoin/VTKSlicerWidgets,demarle/VTK,berendkleinhaneveld/VTK,biddisco/VTK,msmolens/VTK,arnaudgelas/VTK,daviddoria/PointGraphsPhase1,naucoin/VTKSlicerWidgets,candy7393/VTK,aashish24/VTK-old,berendkleinhaneveld/VTK,collects/VTK,hendradarwin/VTK,hendradarwin/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,SimVascular/VTK,arnaudgelas/VTK,cjh1/VTK,naucoin/VTKSlicerWidgets,Wuteyan/VTK,spthaolt/VTK,demarle/VTK,msmolens/VTK,ashray/VTK-EVM,msmolens/VTK,mspark93/VTK,keithroe/vtkoptix,collects/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,arnaudgelas/VTK,biddisco/VTK,spthaolt/VTK,SimVascular/VTK,cjh1/VTK,hendradarwin/VTK,keithroe/vtkoptix,msmolens/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,Wuteyan/VTK,ashray/VTK-EVM,jeffbaumes/jeffbaumes-vtk,aashish24/VTK-old,berendkleinhaneveld/VTK,mspark93/VTK,ashray/VTK-EVM,arnaudgelas/VTK,jmerkow/VTK,Wuteyan/VTK,arnaudgelas/VTK,msmolens/VTK,mspark93/VTK,candy7393/VTK,biddisco/VTK,jmerkow/VTK,sgh/vtk,daviddoria/PointGraphsPhase1,berendkleinhaneveld/VTK,collects/VTK,keithroe/vtkoptix,sgh/vtk,sgh/vtk,johnkit/vtk-dev,johnkit/vtk-dev,sumedhasingla/VTK,aashish24/VTK-old,jeffbaumes/jeffbaumes-vtk,gram526/VTK,spthaolt/VTK,gram526/VTK,hendradarwin/VTK,gram526/VTK,mspark93/VTK,collects/VTK,aashish24/VTK-old,ashray/VTK-EVM,hendradarwin/VTK,jmerkow/VTK,daviddoria/PointGraphsPhase1,naucoin/VTKSlicerWidgets,jmerkow/VTK,jmerkow/VTK,demarle/VTK,SimVascular/VTK,gram526/VTK,SimVascular/VTK,gram526/VTK,keithroe/vtkoptix,cjh1/VTK,candy7393/VTK,collects/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,jmerkow/VTK,johnkit/vtk-dev,biddisco/VTK,SimVascular/VTK,jmerkow/VTK,cjh1/VTK,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,sankhesh/VTK,candy7393/VTK,mspark93/VTK,mspark93/VTK,hendradarwin/VTK,sankhesh/VTK,mspark93/VTK,SimVascular/VTK,demarle/VTK,biddisco/VTK,cjh1/VTK,sumedhasingla/VTK,demarle/VTK,ashray/VTK-EVM,msmolens/VTK,spthaolt/VTK,naucoin/VTKSlicerWidgets,daviddoria/PointGraphsPhase1,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,collects/VTK,biddisco/VTK,sumedhasingla/VTK,sankhesh/VTK,sumedhasingla/VTK,sankhesh/VTK,candy7393/VTK,johnkit/vtk-dev,jeffbaumes/jeffbaumes-vtk,jeffbaumes/jeffbaumes-vtk,cjh1/VTK,gram526/VTK,demarle/VTK,sumedhasingla/VTK,spthaolt/VTK,demarle/VTK,keithroe/vtkoptix,msmolens/VTK,demarle/VTK,keithroe/vtkoptix,sumedhasingla/VTK,keithroe/vtkoptix,aashish24/VTK-old,jmerkow/VTK,johnkit/vtk-dev,sgh/vtk,SimVascular/VTK,keithroe/vtkoptix,Wuteyan/VTK,sgh/vtk