4.520b1 [2006.04.26]
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What is new in this version:
  - the port to Darwin/ppc was verified and is now released (thanks
    to krmathis for testing)
  - added --tailsize option to specify the tail bytes for raw files
  - fixed MD5 internal computing for big endian architectures
  - added run-time self integrity architecture check
  - fixed --check_audition option which used a condition too strict
    and did not correct all the corrupted zeros