Io> MD5
==>  MD5_0x97663e0:
  appendSeq        = MD5_appendSeq()
  md5              = MD5_md5()
  md5String        = MD5_md5String()
Io> MD5 clone appendSeq("The quick brown fox jumped over the lazy dog's back") md5String
==> e38ca1d920c4b8b8d3946b2c72f01680