A layer for replacing all biomes with a single biome.



Constructor:
    Arguments:
        long, GenLayer
    Argument Usage:
        base layer seed, parent layer
    Notes:
        Constructs the layer with its base seed and parent layer.

Constructor:
    Arguments:
        long, GenLayer, Non_Null_Biome_ID
    Argument Usage:
        base layer seed, parent layer
    Notes:
        Constructs the layer with its base seed and parent layer and sets the replacement biome.

setReplacement:
    Arguments:
        Non_Null_Biome_ID
    Usage:
        Sets the biome this layer will replace all biomes with