Gen 1: Learnset bug fixes

Poliwhirl learns skullbash, not skullbasg.
Pidgeotto must be listed just once.
Gen 1: Fix poison and burn damage

In gen 1, poison and burn damage is 1/16 of max hp, not 1/8.
Gen 1: Bide lasts from 2 to 3 turns

Bide lasts from 2 to 3 turns after it's used to store at least 
two turns of damage, so it's 3-4 on duration.
Gen 1: Add pidgeot learnset

Added pidgeot learnset.
Merge pull request #186 from Joimer/patch-8

Gen 1: Bug fixes
Gen 1: Several move bug fixes

Substitute: Pokemon couldn't use boost moves on themselves.
Draining a Substitute and breaking crashed.
Speed boosting and Attack boosting moves need to boost beside 
negating paralyze and burn respective drops.
Counter does not counter seismic toss.
Attack and speed dropping attacks reinstante paralysis' and burn's
respective drops.
Gen 1: Fix haze

Haze does only remove volatiles for user, clears all status 
for opponent and changes toxic to regular poison for user only.
Merge pull request #187 from Joimer/patch-9

Gen 1: Several move bug fixes
Gen 1: Remove status drop handling from moves

Status drop re-applied or removed should be dealt only by boost script.
Gen 1: Add speed and attack drop cancel to Boost

The speed and attack drops from paralysis and burn should be dealt 
with entirely in the boost function.
Merge pull request #188 from Joimer/patch-10

Gen 1: Move attack and speed drops from status changes to Boost function
Gen 1: Learnset bug fixes

Solved four issues:
Metapod and Kakuna get Harden, and no other moves, in Challenge Cup
Beedrill has the move "twinneedle"
Gloom has the move "megadrian"
Pinsir has the move "strenght"
Merge pull request #190 from Joimer/patch-11

Gen 1: Learnset bug fixes
Gen 1: Learnset fixes

Solving remaining name issues on Gen 1 learnsets.
Merge pull request #191 from Joimer/patch-12

Gen 1: Learnset fixes
Modify ratings
Add April Seasonal random team making script

Add the random team maker for the new April Seasonal, Fools Festival.
Add April Seasonal Ladder format

Add the new Seasonal Ladder for April, Fools Festival.
challengeShow and searchShow need to be switched to true to active the ladder.
Merge pull request #193 from Joimer/patch-14

Add new Seasonal Ladder, Fools Festival
Gen 1: Fix Leech Seed damage order

Leech Seed damage occurs just after a Pokémon has made its move.
If the seeded Pokémon is faster and it's thus seeded after its turn, it won't be damaged.