 adding 4D support and ExtractSlice for 2 => 4D 
 adding 4D support and ExtractSlice for 2 => 4D 

acaprihan/Lungs,stnava/ANTs,stnava/ANTs,fliem/ANTs,dawnsong/ANTs,fbudin69500/ANTs,acaprihan/Lungs,acaprihan/Lungs,fliem/ANTs,DaisukeMiyamoto/ANTs,stnava/ANTs,dawnsong/ANTs,DaisukeMiyamoto/ANTs,DaisukeMiyamoto/ANTs,fbudin69500/ANTs,dawnsong/ANTs,DaisukeMiyamoto/ANTs,stnava/ANTs,DaisukeMiyamoto/ANTs,fbudin69500/ANTs,fliem/ANTs,fliem/ANTs,dawnsong/ANTs,stnava/ANTs,acaprihan/Lungs,acaprihan/Lungs,fbudin69500/ANTs,fliem/ANTs,stnava/ANTs,fliem/ANTs,dawnsong/ANTs,dawnsong/ANTs,DaisukeMiyamoto/ANTs,fbudin69500/ANTs,fbudin69500/ANTs,dawnsong/ANTs,fliem/ANTs,fbudin69500/ANTs,acaprihan/Lungs,stnava/ANTs,DaisukeMiyamoto/ANTs