BUG: Destructor should set the  children to null
BUG: Destructor should set the  children to null

jcfr/ITK,BlueBrain/ITK,cpatrick/ITK-RemoteIO,LucasGandel/ITK,fedral/ITK,malaterre/ITK,biotrump/ITK,cpatrick/ITK-RemoteIO,paulnovo/ITK,itkvideo/ITK,zachary-williamson/ITK,hjmjohnson/ITK,BRAINSia/ITK,ajjl/ITK,vfonov/ITK,malaterre/ITK,blowekamp/ITK,zachary-williamson/ITK,stnava/ITK,malaterre/ITK,rhgong/itk-with-dom,InsightSoftwareConsortium/ITK,cpatrick/ITK-RemoteIO,eile/ITK,BRAINSia/ITK,hendradarwin/ITK,CapeDrew/DCMTK-ITK,fedral/ITK,BlueBrain/ITK,vfonov/ITK,ajjl/ITK,atsnyder/ITK,thewtex/ITK,fuentesdt/InsightToolkit-dev,biotrump/ITK,Kitware/ITK,Kitware/ITK,daviddoria/itkHoughTransform,daviddoria/itkHoughTransform,zachary-williamson/ITK,wkjeong/ITK,wkjeong/ITK,fedral/ITK,rhgong/itk-with-dom,Kitware/ITK,malaterre/ITK,cpatrick/ITK-RemoteIO,ajjl/ITK,GEHC-Surgery/ITK,CapeDrew/DCMTK-ITK,zachary-williamson/ITK,cpatrick/ITK-RemoteIO,LucHermitte/ITK,LucasGandel/ITK,fuentesdt/InsightToolkit-dev,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,richardbeare/ITK,CapeDrew/DCMTK-ITK,msmolens/ITK,paulnovo/ITK,msmolens/ITK,itkvideo/ITK,jmerkow/ITK,ajjl/ITK,msmolens/ITK,jmerkow/ITK,blowekamp/ITK,InsightSoftwareConsortium/ITK,biotrump/ITK,vfonov/ITK,paulnovo/ITK,heimdali/ITK,hjmjohnson/ITK,BlueBrain/ITK,LucHermitte/ITK,blowekamp/ITK,spinicist/ITK,biotrump/ITK,wkjeong/ITK,msmolens/ITK,heimdali/ITK,PlutoniumHeart/ITK,ajjl/ITK,zachary-williamson/ITK,eile/ITK,hendradarwin/ITK,stnava/ITK,jmerkow/ITK,daviddoria/itkHoughTransform,atsnyder/ITK,PlutoniumHeart/ITK,jcfr/ITK,stnava/ITK,richardbeare/ITK,hinerm/ITK,biotrump/ITK,GEHC-Surgery/ITK,GEHC-Surgery/ITK,vfonov/ITK,spinicist/ITK,GEHC-Surgery/ITK,thewtex/ITK,LucasGandel/ITK,daviddoria/itkHoughTransform,paulnovo/ITK,PlutoniumHeart/ITK,LucasGandel/ITK,CapeDrew/DITK,paulnovo/ITK,fbudin69500/ITK,LucasGandel/ITK,msmolens/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,heimdali/ITK,daviddoria/itkHoughTransform,fbudin69500/ITK,Kitware/ITK,spinicist/ITK,hinerm/ITK,vfonov/ITK,heimdali/ITK,hinerm/ITK,eile/ITK,hjmjohnson/ITK,daviddoria/itkHoughTransform,atsnyder/ITK,BRAINSia/ITK,CapeDrew/DCMTK-ITK,wkjeong/ITK,atsnyder/ITK,eile/ITK,eile/ITK,hinerm/ITK,jcfr/ITK,PlutoniumHeart/ITK,GEHC-Surgery/ITK,eile/ITK,richardbeare/ITK,CapeDrew/DCMTK-ITK,hendradarwin/ITK,spinicist/ITK,fuentesdt/InsightToolkit-dev,fuentesdt/InsightToolkit-dev,LucasGandel/ITK,jmerkow/ITK,blowekamp/ITK,CapeDrew/DITK,zachary-williamson/ITK,stnava/ITK,hjmjohnson/ITK,richardbeare/ITK,rhgong/itk-with-dom,wkjeong/ITK,GEHC-Surgery/ITK,daviddoria/itkHoughTransform,hendradarwin/ITK,cpatrick/ITK-RemoteIO,fbudin69500/ITK,CapeDrew/DITK,hendradarwin/ITK,jcfr/ITK,fuentesdt/InsightToolkit-dev,biotrump/ITK,thewtex/ITK,CapeDrew/DITK,cpatrick/ITK-RemoteIO,msmolens/ITK,msmolens/ITK,itkvideo/ITK,CapeDrew/DITK,blowekamp/ITK,hinerm/ITK,biotrump/ITK,jmerkow/ITK,InsightSoftwareConsortium/ITK,jmerkow/ITK,LucHermitte/ITK,richardbeare/ITK,Kitware/ITK,hjmjohnson/ITK,CapeDrew/DCMTK-ITK,atsnyder/ITK,LucHermitte/ITK,CapeDrew/DITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,CapeDrew/DITK,GEHC-Surgery/ITK,ajjl/ITK,eile/ITK,fedral/ITK,BlueBrain/ITK,malaterre/ITK,jmerkow/ITK,jcfr/ITK,PlutoniumHeart/ITK,atsnyder/ITK,PlutoniumHeart/ITK,cpatrick/ITK-RemoteIO,fedral/ITK,spinicist/ITK,msmolens/ITK,BRAINSia/ITK,itkvideo/ITK,wkjeong/ITK,BlueBrain/ITK,BRAINSia/ITK,stnava/ITK,spinicist/ITK,hjmjohnson/ITK,atsnyder/ITK,jmerkow/ITK,paulnovo/ITK,thewtex/ITK,GEHC-Surgery/ITK,hinerm/ITK,vfonov/ITK,wkjeong/ITK,stnava/ITK,thewtex/ITK,biotrump/ITK,Kitware/ITK,stnava/ITK,fbudin69500/ITK,LucHermitte/ITK,itkvideo/ITK,itkvideo/ITK,rhgong/itk-with-dom,LucHermitte/ITK,paulnovo/ITK,spinicist/ITK,CapeDrew/DCMTK-ITK,fuentesdt/InsightToolkit-dev,CapeDrew/DITK,hendradarwin/ITK,jcfr/ITK,vfonov/ITK,malaterre/ITK,eile/ITK,PlutoniumHeart/ITK,BlueBrain/ITK,vfonov/ITK,eile/ITK,stnava/ITK,vfonov/ITK,fbudin69500/ITK,hinerm/ITK,stnava/ITK,itkvideo/ITK,InsightSoftwareConsortium/ITK,malaterre/ITK,fbudin69500/ITK,BlueBrain/ITK,jcfr/ITK,jcfr/ITK,atsnyder/ITK,spinicist/ITK,Kitware/ITK,ajjl/ITK,fbudin69500/ITK,BRAINSia/ITK,thewtex/ITK,wkjeong/ITK,blowekamp/ITK,ajjl/ITK,fedral/ITK,itkvideo/ITK,CapeDrew/DCMTK-ITK,hinerm/ITK,malaterre/ITK,CapeDrew/DCMTK-ITK,LucHermitte/ITK,heimdali/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,heimdali/ITK,LucHermitte/ITK,itkvideo/ITK,LucasGandel/ITK,hjmjohnson/ITK,rhgong/itk-with-dom,rhgong/itk-with-dom,heimdali/ITK,paulnovo/ITK,zachary-williamson/ITK,hendradarwin/ITK,atsnyder/ITK,CapeDrew/DITK,heimdali/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,rhgong/itk-with-dom,BlueBrain/ITK,InsightSoftwareConsortium/ITK,blowekamp/ITK,daviddoria/itkHoughTransform,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,BRAINSia/ITK,fedral/ITK,spinicist/ITK,rhgong/itk-with-dom,fbudin69500/ITK,fedral/ITK,LucasGandel/ITK,thewtex/ITK,daviddoria/itkHoughTransform,hinerm/ITK,blowekamp/ITK