Read LSM time stamps from file and return as list.

def read_cz_lsm_time_stamps(fd, byte_order):
    """Read LSM time stamps from file and return as list."""
    size, count = struct.unpack(byte_order+'II', fd.read(8))
    if size != (8 + 8 * count):
        raise ValueError("lsm_time_stamps block is too short")
    return struct.unpack(('%s%dd' % (byte_order, count)),
                         fd.read(8*count))