Revision history for Perl extension System::Timeout.

0.01  Thu Jun  9 17:12:14 2011
    - original version; created by h2xs 1.23 with options: -XA -n System::Timeout
0.02  Fri Jun 10 10:10:14 2011
    - some bug fixed
0.03  Thu Jun 16 11:14:24 CST 2011
    - add system_log()
    - make the document more attractive