====== PAN-OS API Reboot and Shutdown ======
Prefix all commands with 
<code>https://10.1.1.1/api/?key=API_KEY</code>
=====Reboot PAN-OS=====
<code>&type=op&cmd=<request><restart><system></system></restart></request></code>
=====Shutdown PAN-OS=====
<code>&type=op&cmd=<request><shutdown><system></system></shutdown></request></code>