The role of a BiomeProvider is to handle the generation of the dimensions biome map. 
This particular type uses only a single biome, and is what is used for the Nether 
and the End.



setBiome:
    Arguments:
        Non_Null_Biome_ID
    Usage:
        biome ID
    Notes:
        Sets the single biome to be used for this BiomeProvider as the provided biome ID.