Renamed BadPacketException -> PacketHandlingException

this better describes the intent, instead of just vaguely describing a packet as 'bad'.

src/network/RawPacketHandler.php

@@ -32,7 +32,7 @@ interface RawPacketHandler{
 	public function getPattern() : string;
 
 	/**
-	 * @throws BadPacketException
+	 * @throws PacketHandlingException
 	 */
 	public function handle(AdvancedNetworkInterface $interface, string $address, int $port, string $packet) : bool;
 }