ENH:Added alternative methods for sorting
ENH:Added alternative methods for sorting

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