BUG: add a test for a single char dir, and fix bug introduced in 1.53, but we still can not handle a space as the start of a directory name
BUG: add a test for a single char dir, and fix bug introduced in 1.53, but we still can not handle a space as the start of a directory name

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