[Gen 8] Random Battle levels were nerfed or buffed for winrates greater than 7 or less than -7 deviations from the mean respectively.
[Gen 8] Random Doubles Battle levels were nerfed or buffed for winrates greater than 4 or less than -4 deviations from the mean respectively.
Patch notes (2/13/21):
-Prevent Virizion with 1 attack by preventing Coaching from generating with any other setup move.
-Prevent First Impression from generating with any setup move, for Sirfetch'd.
-Reject Protect if Belly Drum is in the movepool but hasn't been rolled, in an attempt to prevent Belly Drum-less Eiscue.
-Fix post-refactor bug causing heavy-duty boots to generate where it shouldn't
-Glastrier: Icicle Crash over Avalanche
-Keldeo: Muddy Water over Hydro Pump and Scald, added Air Slash.
-Regieleki: Electroweb over Eerie Impulse
-Various level balancing. Pokemon above 56.00% win rate nerfed. Pokemon below 46.00% win rate buffed. Highlights: Moltres-Galar, Regidrago, Calyrex-Shadow, Zacian-C down again, Maractus, Toxapex, Shuckle, etc. up. See pull request for full list of level changes.
Gen 7 Random Doubles: Remove Protect from Typhlosion to prevent Choice Scarf Protect.
`BattlePokedex` is now `Pokedex`, `BattleItems` is now `Items`, etc.
I also renamed `Movedex` to `Moves` and `Statuses` to `Conditions`.
`TypeChart` isn't `Types` yet, because unlike the others, it's not
indexed by ID. That should probably be fixed one day.
