yes you can adjust all stats on all items AT ONCE by a %, or do even something more specific like - only adjust WIS on all HELMS. But again with just a single command.
if Half cut won't do it, we can do a 2/3 or even a 3/4 cut =)
I know this sound radical - but with MASSIVE +hp/+ac/+mn still on items - do you really care that much about stats? From a reasonable point of view - we should be as conservative with +stat as possible simply cause it has much lower cap that say hp or mana.
As far progression per tier - does +50 growth is for total stats or for EACH stat?
If its for each stats- it simply too much. Seriously, each peace of gear doesn't need +5 to everything growth. If you only do it to 3 out of 7 stats you can considerably cut the growth per tier.
not saying Striat can't do the C coding =P But just seeing how this project got stuck, I see a way to do it without any C coding involved - which is something could be done much much faster. (I can read/code in C++, but I never actually digged into Emu source, and to understand where is whats and how its connected would take a new person couple months to get on the same page - so I generally avoid touching the source at all)