Test version with more checks(now also with standart header!)

New version with checks for battery level and if NO$GBA footer is not appended to nand image, but replaces it's end(it is possible mistake and such image works in emulator!).

• Regular version is built with last devkitARM/libnds and contains DSi extended header, so it won't work on exploited games/apps that use non-updated minitwlpayload(4swordshax and ugopwn).
• Legacy version is built with devkitARM r45 / libnds 1.5.12 and has standart header, so it should work on any payload.

But if normal version works for you - legacy version should not be used, because updates of toolchain may be made something work better.
As always it is not through tested(but once again - i didn't touch actual writng code), so use with caution!
No warranty!