Buoyancy Prowler and Subterranean

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#               BUOYANCY, PROWLER, AND SUBTERRANEAN
#                   How to Install
#   1. Create abilities in PBS/abilities.txt with the internal names BUOYANCY, PROWLER, and SUBTERRANEAN
#       (You can just add whichever ones you plan on using.)
#   2. To add Buoyancy's effect, add the following code below line 513 in PokeBattle_Battler:
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# BUOYANCY ABILITY MOD
    if isConst?(self.ability,PBAbilities,:BUOYANCY) && (@battle.environment==PBEnvironment::MovingWater || @battle.environment==PBEnvironment::StillWater || @battle.environment==PBEnvironment::Underwater)
      spdpercent = 15  # <-- Change this number to change the percent increase.
      speed=speed*(1 + (spdpercent/100))
    end
# END BUOYANCY ABILITY MOD

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#   3. To add Prowler's effect, add the following code below line 377 in PokeBattle_Move:
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# PROWLER ABILITY MOD
    if isConst?(opponent.ability,PBAbilities,:PROWLER) && (@battle.environment==PBEnvironment::Grass || @battle.environment==PBEnvironment::TallGrass)
      evdpercent = 15  # <-- Change this number to change the percent increase.
      evasion=evasion*(1 + (evdpercent/100))
    end
# END PROWLER ABILITY MOD

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#   3. To add Subterranean's effect, add the following code below line 648 in PokeBattle_Move:
#       (Note: If you added Prowler, it will be below line 654 instead.)
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# SUBTERRANEAN ABILITY MOD
    if isConst?(opponent.ability,PBAbilities,:SUBTERRANEAN) && (@battle.environment==PBEnvironment::Rock || @battle.environment==PBEnvironment::Cave)
      defpercent = 15  # <-- Change this number to change the percent increase.
      defense=defense*(1 + (defpercent/100))
    end
# END SUBTERRANEAN ABILITY MOD