Converts a batch to a list of values.
    :param byte_array: a byte array of length n*item_length + 8
    :return: a list of uuid objects

def batch(byte_array, funcs):
    """
    Converts a batch to a list of values.
    :param byte_array: a byte array of length n*item_length + 8
    :return: a list of uuid objects
    """
    result = []
    length = bytes_to_int(byte_array[0:4])
    item_size = bytes_to_int(byte_array[4:8])
    for i in range(0, length):
        chunk = byte_array[8+i*item_size:8+(i+1)*item_size]
        for f in funcs:
            f(chunk)
    return result