def get_block(id, metadata = nil, size = 42)
      url = "http://blocks.fishbans.com/#{id}"
      url += "-#{metadata}" unless metadata.nil?
      url += "/#{size}" if size != 42
      response = get(url, false)
      ChunkyPNG::Image.from_blob(response.body)
    end
def get_block(id, metadata = nil, size = 42)
      url = "http://blocks.fishbans.com/#{id}"
      url += "-#{metadata}" unless metadata.nil?
      url += "/#{size}" if size != 42
      response = get(url, false)
      ChunkyPNG::Image.from_blob(response.body)
    end
Gets a block image by its ID and Metadata. Unfortunately it uses the old
   block IDs rather than the new ones, so you have to memorize those
   pesky integers.
 @param id [Integer] The (outdated) block ID number.
 @param metadata [Integer] The metadata, if any, for the block.
 @param size [Fixnum] The size of the image to get.
 @return [ChunkyPNG::Image] The ChunkyPNG instance of that block image.
 @raise see #get