version 3.99-u4-b5-s7
  + fixed compilation issue on big-endian systems [report: Michael Plotkin]

version 3.99-u4-b5-s6
  + fixed compilation issues with GCC 4.4 on some 64-bit systems [report: Eivind Eide]

version 3.99-u4-b5-s5
  + fixed long-standing 64-bit decompression crash [patch: Adam Nielsen]
  + fixed crash with pathnames longer than 256 characters [report: Kabakov Boris]
  + fixed a compilation issue (don't pass -fno-common to yasm)

version 3.99-u4-b5-s4
  + include error reason with error code in mac.exe
  + automatically recalculate quick verify checksum when compressing, if
    necessary (e.g. piped encoding with foobar2000, or truncated WAVE file)
    
version 3.99-u4-b5-s3
  + reenabled quick-verification of APE files (via new '-q' option)

version 3.99-u4-b5-s2
  + show above version in mac.exe help screen (sN = shntool revision N)
  + added support for encoding WAVE data of unknown length (all files/pipes
    are now treated as unknown length; this forces mac.exe to write a seek
    table of maximum size regardless of input file size, adding ~30kb/file)

version 3.99-u4-b5-s1
  + added support for pipe encoding/decoding