Working Zeroconf implementation

Author: devgianlu

core/pom.xml

@@ -67,7 +67,7 @@
         <dependency>
             <groupId>xyz.gianlu.zeroconf</groupId>
             <artifactId>zeroconf</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1</version>
         </dependency>
 
         <!-- H2 (cache) -->

core/src/main/java/xyz/gianlu/librespot/core/ZeroconfServer.java

@@ -133,8 +133,7 @@ private ZeroconfServer(Session.Inner inner, Configuration conf) throws IOExcepti
         }
 
         zeroconf = new Zeroconf();
-        zeroconf.addSendListener(packet -> System.out.println("SEND: " + packet));
-        zeroconf.addReceiveListener(packet -> System.out.println("RECV: " + packet));
+        zeroconf.setUseIpv4(true).setUseIpv6(false);
         zeroconf.addNetworkInterfaces(nics);
 
         Map<String, String> txt = new HashMap<>();