Bukkit

What steps will reproduce the problem?
1.set HORSE and all horse types to 0 in the limiter.yml for a world
2.reloaded
3.horses are still overrunning us

What is the expected output? What do you see instead?

What version of the product are you using?

Do you have an error log of what happened?

Please provide any additional information below.
I'm not certain we're doing this right but I'm placing the config sections below:

Mobs:
  WorldMaximum:
    SKELETON_WITHER: -1
    CREEPER: 60
    SKELETON: 150
    SPIDER: 75
    GIANT: -1
    ZOMBIE: 150
    SLIME: -1
    GHAST: -1
    PIG_ZOMBIE: 75
    ENDERMAN: 50
    CAVE_SPIDER: -1
    SILVERFISH: -1
    BLAZE: -1
    MAGMA_CUBE: -1
    WITHER: -1
    BAT: -1
    WITCH: -1
    ENDERMITE: -1
    GUARDIAN: -1
    PIG: -1
    SHEEP: -1
    COW: -1
    CHICKEN: -1
    SQUID: -1
    WOLF: -1
    MUSHROOM_COW: -1
    SNOWMAN: 100
    OCELOT: -1
    IRON_GOLEM: 100
    HORSE: 0
    RABBIT: -1
    VILLAGER: -1
    HORSE_WHITE: 0
    HORSE_CREAMY: 0
    HORSE_CHESTNUT: 0
    HORSE_BROWN: 0
    HORSE_BLACK: 0
    HORSE_GRAY: 0
    HORSE_DARK_BROWN: 0
    HORSE_WHITE_WHITE: 0
    HORSE_CREAMY_WHITE: 0
    HORSE_CHESTNUT_WHITE: 0
    HORSE_BROWN_WHITE: 0
    HORSE_BLACK_WHITE: 0
    HORSE_GRAY_WHITE: 0
    HORSE_DARK_BROWN_WHITE: 0
    HORSE_WHITE_WHITEFIELD: 0
    HORSE_CREAMY_WHITEFIELD: 0
    HORSE_CHESTNUT_WHITEFIELD: 0
    HORSE_BROWN_WHITEFIELD: 0
    HORSE_BLACK_WHITEFIELD: 0
    HORSE_GRAY_WHITEFIELD: 0
    HORSE_DARK_BROWN_WHITEFIELD: 0
    HORSE_WHITE_WHITE_DOTS: 0
    HORSE_CREAMY_WHITE_DOTS: 0
    HORSE_CHESTNUT_WHITE_DOTS: 0
    HORSE_BROWN_WHITE_DOTS: 0
    HORSE_BLACK_WHITE_DOTS: 0
    HORSE_GRAY_WHITE_DOTS: 0
    HORSE_DARK_BROWN_WHITE_DOTS: 0
    HORSE_WHITE_BLACK_DOTS: 0
    HORSE_CREAMY_BLACK_DOTS: 0
    HORSE_CHESTNUT_BLACK_DOTS: 0
    HORSE_BROWN_BLACK_DOTS: 0
    HORSE_BLACK_BLACK_DOTS: 0
    HORSE_GRAY_BLACK_DOTS: 0
    HORSE_DARK_BROWN_BLACK_DOTS: 0
    HORSE_DONKEY: 0
    HORSE_MULE: 0
    HORSE_UNDEAD_HORSE: 0
    HORSE_SKELETON_HORSE: 0
  ChunkCalculatedMaximum:
    SKELETON_WITHER: -1
    CREEPER: -1
    SKELETON: -1
    SPIDER: -1
    GIANT: -1
    ZOMBIE: -1
    SLIME: -1
    GHAST: -1
    PIG_ZOMBIE: -1
    ENDERMAN: -1
    CAVE_SPIDER: -1
    SILVERFISH: -1
    BLAZE: -1
    MAGMA_CUBE: -1
    WITHER: -1
    BAT: -1
    WITCH: -1
    ENDERMITE: -1
    GUARDIAN: -1
    PIG: -1
    SHEEP: -1
    COW: -1
    CHICKEN: -1
    SQUID: -1
    WOLF: -1
    MUSHROOM_COW: -1
    SNOWMAN: 3
    OCELOT: -1
    IRON_GOLEM: 3
    HORSE: 0
    RABBIT: -1
    VILLAGER: -1
    HORSE_WHITE: 0
    HORSE_CREAMY: 0
    HORSE_CHESTNUT: 0
    HORSE_BROWN: 0
    HORSE_BLACK: 0
    HORSE_GRAY: 0
    HORSE_DARK_BROWN: 0
    HORSE_WHITE_WHITE: 0
    HORSE_CREAMY_WHITE: 0
    HORSE_CHESTNUT_WHITE: 0
    HORSE_BROWN_WHITE: 0
    HORSE_BLACK_WHITE: 0
    HORSE_GRAY_WHITE: 0
    HORSE_DARK_BROWN_WHITE: 0
    HORSE_WHITE_WHITEFIELD: 0
    HORSE_CREAMY_WHITEFIELD: 0
    HORSE_CHESTNUT_WHITEFIELD: 0
    HORSE_BROWN_WHITEFIELD: 0
    HORSE_BLACK_WHITEFIELD: 0
    HORSE_GRAY_WHITEFIELD: 0
    HORSE_DARK_BROWN_WHITEFIELD: 0
    HORSE_WHITE_WHITE_DOTS: 0
    HORSE_CREAMY_WHITE_DOTS: 0
    HORSE_CHESTNUT_WHITE_DOTS: 0
    HORSE_BROWN_WHITE_DOTS: 0
    HORSE_BLACK_WHITE_DOTS: 0
    HORSE_GRAY_WHITE_DOTS: 0
    HORSE_DARK_BROWN_WHITE_DOTS: 0
    HORSE_WHITE_BLACK_DOTS: 0
    HORSE_CREAMY_BLACK_DOTS: 0
    HORSE_CHESTNUT_BLACK_DOTS: 0
    HORSE_BROWN_BLACK_DOTS: 0
    HORSE_BLACK_BLACK_DOTS: 0
    HORSE_GRAY_BLACK_DOTS: 0
    HORSE_DARK_BROWN_BLACK_DOTS: 0
    HORSE_DONKEY: 0
    HORSE_MULE: 0
    HORSE_UNDEAD_HORSE: 0
    HORSE_SKELETON_HORSE: 0