1.27: Jun 13 2004: Bugfixes and features.
    - implemented Christophe Devine's optimized AES-CBC-128 code
    - resolved disconnect-on-large-transfer-bug in doexec_win32.h
    - added the -m option (snooping)
    - added the -n option (numeric-only IP addresses)

1.23: Jun 9 2004: Minor bugfix.
    - resolved const char* segfault bug (read-only memory) if EXECPROG != NULL

1.21: Jun 8 2004: Initial release.
