There are still many bugs in your application.
Under "Flashcard operations":
You can leave the boxes blank, klick check and it says that the flashcard can run on 4.4.0-10.
When you select a "SD Drive" without SD card, enter a old firmware (i.e. 1.0) and a old EOS (i.e. 1.0), click check, tick the box and klick update and klick ok, it'll display a error message.
If you select SuperCard DSONEi, enter at Firmware and EOS "1.0" and klick check, it'll say
"this flashcard can run on 3ds firmware: 4.4.0-10
firmware update available
EOS update available"
/edit
when you enter a larger number than the latest update at C:\3dstool\data\version.txt, it'll display outdated!, please update.