PSP homebrew: PSPBTCNF tool v3

So the previous version of manatails007 got Slim support. This time around, PSPBTCNF tool v3 gets two new updates:

* a backup/restore function
* 3G PSP support

But wait - what does this do anyway? Well, catch up! In a few words, this PSPBTCNF tool basically lets you work with .bin files.

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