iwidgets for itk4

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|  ____| / _ \ | ____|| ____| / ____|| || |   / ____||___ \ 
| |__   | | | || |__  | |__  | |     | || |_ | |       __) |
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| |     | |_| | ___) | ___) || |____    | |  | |____  ___) |
|_|      \___/ |____/ |____/  \_____|   |_|   \_____||____/