1.1.3    2003 June 19
         Corrected the second example in the man page

1.1.2    2003 June 06
         Removed unnecessary RETVALs

1.1.1    2003 June 04
         Added one more example

1.1.0    2003 June 01
         A serious bug in version 1.0.0 overwrites the plaintext block
         with its ciphertext counterpart

         Rewrote the whole C code from scratch
         Added more example codes
         Added more tests

1.0.0    2003 May 28
         Initial release