Changed simple.py to use proper subclassing & new-style python classes.
Changed simple.py to use proper subclassing & new-style python classes.

svn path=/trunk/libavg/; revision=7059

libavg/libavg,th3infinity/libavg,scotty007/libavg,yyd01245/libavg,hoodie/libavg,yyd01245/libavg,yyd01245/libavg,hoodie/libavg,th3infinity/libavg,th3infinity/libavg,scotty007/libavg,th3infinity/libavg,hoodie/libavg,libavg/libavg,libavg/libavg,scotty007/libavg,scotty007/libavg,yyd01245/libavg,hoodie/libavg,libavg/libavg