diff --git a/README.md b/README.md
index e0e3e1d..6a17d28 100644
--- a/README.md
+++ b/README.md
@@ -176,7 +176,7 @@ try {
     for (String entry: whitelist.getEntries()) {
         System.out.println(entry);
     }
-    whitelist.add(new String[]{"example", "example2"});
+    whitelist.add("example", "example2");
     whitelist.remove("example34");
 } catch (APIException e) {
     e.printStackTrace();
@@ -258,7 +258,7 @@ You can subscribe to multiple streams at once by passing an array to the subscri
 ExarotonClient client = new ExarotonClient("example-api-token");
 
 Server server = client.getServer("tgkm731xO7GiHt76");
-server.subscribe(new String[]{"stats", "heap"});
+server.subscribe("stats", "heap");
 server.addStatsSubscriber(new StatsSubscriber() {
     @Override
     public void stats(StatsData stats) {
@@ -280,8 +280,21 @@ You can unsubscribe from one, multiple or all streams using the server.unsubscri
 ExarotonClient client = new ExarotonClient("example-api-token");
 
 Server server = client.getServer("tgkm731xO7GiHt76");
-server.subscribe(new String[]{"console", "stats", "heap"});
+server.subscribe("console", "stats", "heap");
 server.unsubscribe("heap");
-server.unsubscribe(new String[]{"stats", "console"});
+server.unsubscribe("stats", "console");
 server.unsubscribe(); // closes websocket connection
+```
+
+### Debugging Websocket connections
+```java
+ExarotonClient client = new ExarotonClient("example-api-token");
+
+Server server = client.getServer("tgkm731xO7GiHt76");
+server.subscribe();
+server.getWebSocket().setErrorListener((message, throwable) -> {
+    System.out.println(message);
+    System.out.println(throwable.toString());
+});
+server.getWebSocket().setDebugListener(System.out::println);
 ```
\ No newline at end of file
diff --git a/src/main/java/com/exaroton/api/server/PlayerList.java b/src/main/java/com/exaroton/api/server/PlayerList.java
index 25490d3..7d065fa 100644
--- a/src/main/java/com/exaroton/api/server/PlayerList.java
+++ b/src/main/java/com/exaroton/api/server/PlayerList.java
@@ -13,7 +13,8 @@ public class PlayerList {
 
     /**
      * create a new playerlist
-     * @param name playerlist name (see Server.getPlayerLists)
+     *
+     * @param name   playerlist name (see Server.getPlayerLists)
      * @param server exaroton server
      * @param client exaroton client
      */
@@ -42,40 +43,31 @@ public String[] getEntries() throws APIException {
 
     /**
      * add players to list
+     *
      * @param entries player names
      * @throws APIException API error
      */
-    public void add(String[] entries) throws APIException {
+    public void add(String... entries) throws APIException {
+        if (entries.length == 0) {
+            return;
+        }
+
         AddPlayerListEntriesRequest request = new AddPlayerListEntriesRequest(this.client, this.server, this.name, entries);
         request.request();
     }
 
-    /**
-     * add player to list
-     * @param entry player name
-     * @throws APIException API error
-     */
-    public void add(String entry) throws APIException {
-        this.add(new String[]{entry});
-    }
-
     /**
      * remove players from list
+     *
      * @param entries player names
      * @throws APIException API error
      */
-    public void remove(String[] entries) throws APIException {
+    public void remove(String... entries) throws APIException {
+        if (entries.length == 0) {
+            return;
+        }
+
         RemovePlayerListEntriesRequest request = new RemovePlayerListEntriesRequest(this.client, this.server, this.name, entries);
         request.request();
     }
-
-    /**
-     * remove player from list
-     * @param entry player name
-     * @throws APIException API error
-     */
-    public void remove(String entry) throws APIException {
-        this.remove(new String[]{entry});
-    }
-
 }
diff --git a/src/main/java/com/exaroton/api/server/Server.java b/src/main/java/com/exaroton/api/server/Server.java
index 6769573..c63604d 100644
--- a/src/main/java/com/exaroton/api/server/Server.java
+++ b/src/main/java/com/exaroton/api/server/Server.java
@@ -366,24 +366,16 @@ public void subscribe() {
     }
 
     /**
-     * subscribe to a single stream
-     * @param stream stream name
-     */
-    public void subscribe(String stream) {
-        if (this.webSocket == null) {
-            this.subscribe();
-        }
-
-        this.webSocket.subscribe(stream);
-    }
-
-    /**
-     * subscribe to multiple streams at once
+     * subscribe to one or more streams
      * @param streams stream names
      */
-    public void subscribe(String[] streams) {
+    public void subscribe(String... streams) {
         for (String stream: streams) {
-            this.subscribe(stream);
+            if (this.webSocket == null) {
+                this.subscribe();
+            }
+
+            this.webSocket.subscribe(stream);
         }
     }
 
@@ -397,21 +389,13 @@ public void unsubscribe() {
     }
 
     /**
-     * unsubscribe from a single stream
-     * @param stream stream name
-     */
-    public void unsubscribe(String stream) {
-        if (this.webSocket == null) throw new RuntimeException("No websocket connection active.");
-        this.webSocket.unsubscribe(stream);
-    }
-
-    /**
-     * unsubscribe from multiple streams at once
+     * unsubscribe from one or more streams
      * @param streams stream names
      */
-    public void unsubscribe(String[] streams) {
+    public void unsubscribe(String... streams) {
+        if (this.webSocket == null) throw new RuntimeException("No websocket connection active.");
         for (String stream: streams) {
-            this.unsubscribe(stream);
+            this.webSocket.unsubscribe(stream);
         }
     }