Someone mentioned this can be skipped by editing those stats and spend some badass tokens legally on this stats, try out and let me know.
//edit: Jackbig posted it!
[Edited by 0x90, 9/27/2012 5:32:39 PM]
For curiosity's sake, did your mouse wheel scrolling break after you made that increase? I tried to pump mine to 72 like BL1 and couldn't scroll down anymore - but it might've been the menu just being difficult.
I did 75 slots and there all there.