Removed Mutex liberation on CanSend. Too much race condition to avoid. Cannot be deeply tested.
<HTML>
<BODY>
<CENTER>
<IMG SRC="canfestival_overview.png">
<BR><BR><BR>
<IMG SRC="canfestival_CAN.png">
<BR><BR><BR>
<IMG SRC="canfestival_scheduling.png">
</CENTER>
</BODY>
</HTML>