fix roamer3 not setting IVs
fix usum z items rightmost pixel getting chopped off
use Gen* instead of GenNumber for specific cases (faster)
add WasGiftEgg location case for Gen7
remove some unnecessary array allocations
Detect channel, only detect Channel PIDIV for RS origin (only really
care about method1/2/4 being used when it shouldn't)
Channel does this weird thing called not setting the met level.
Refactor set suggested met location to a method that can suppress
popups.
Rewrote showdown set exporting to be much clearer, added auto-fixing of
relearn moves when importing showdown set (applies suggested relearn
moves)
Simplified main form loading routine (from ~160 to ~25 by extracting
methods)
