ENH: make Get macros const.
ENH: make Get macros const.

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