* EV Caps and EV Items
Introduces EV caps, inspired by level caps, with configurable options for various cap implementations. Additionally, modifies EV items to interact with these caps based on a configurable setting.
* EV Caps fixes
Changed the EV caps to be less redundant and work better overall.
* EV Caps Fix part 2
Set the items back to ItemUseOutOfBattle_Medicine, got rid of ItemUseOutOfBattle_EVItem and ItemUseCB_EVItem, and reverted CB2_ReturnToPartyMenuUsingItem to CB2_ReturnToPartyMenuUsingRareCandy
* EV Caps Fixes Part 3
Fixed being able to use EV items to go over 252 limit on single stats.
* Update src/ev_caps.c
Co-authored-by: Alex <93446519+AlexOn1ine@users.noreply.github.com>
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Co-authored-by: Alex <93446519+AlexOn1ine@users.noreply.github.com>
