BUG: Add NumPy conversion for itk.Image[itk.Vector[itk.D,dim]]
BUG: Add NumPy conversion for itk.Image[itk.Vector[itk.D,dim]]

Required for itk.StrainImageFilter.

Closes #1132

Kitware/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,malaterre/ITK,LucasGandel/ITK,vfonov/ITK,Kitware/ITK,malaterre/ITK,InsightSoftwareConsortium/ITK,LucasGandel/ITK,vfonov/ITK,thewtex/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,vfonov/ITK,BRAINSia/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,vfonov/ITK,BRAINSia/ITK,malaterre/ITK,malaterre/ITK,malaterre/ITK,vfonov/ITK,malaterre/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,Kitware/ITK,vfonov/ITK,hjmjohnson/ITK,vfonov/ITK,hjmjohnson/ITK,Kitware/ITK,Kitware/ITK,malaterre/ITK,malaterre/ITK,LucasGandel/ITK,vfonov/ITK,BRAINSia/ITK,thewtex/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,thewtex/ITK,BRAINSia/ITK,Kitware/ITK,LucasGandel/ITK,hjmjohnson/ITK,hjmjohnson/ITK,thewtex/ITK,hjmjohnson/ITK,hjmjohnson/ITK,richardbeare/ITK,richardbeare/ITK,BRAINSia/ITK,richardbeare/ITK,hjmjohnson/ITK,thewtex/ITK,thewtex/ITK,richardbeare/ITK,thewtex/ITK,LucasGandel/ITK,malaterre/ITK