function getPlayerMacAddr (server-side)
Available since version: 0.0.1
The function can return
null if player isn't connected.
This function will get the player MAC address.
MAC is used to uniquely idientify each player,
however it can be changed/spoofed by more advance users.
string getPlayerMacAddr(int id)
intid: the player id.
the player mac address, e.g