Few comments added

src/main/java/com/corundumstudio/socketio/Configuration.java

@@ -397,15 +397,26 @@ public class Configuration {
     public SocketConfig getSocketConfig() {
         return socketConfig;
     }
+    /**
+     * TCP socket configuration
+     *
+     * @param socketConfig
+     */
     public void setSocketConfig(SocketConfig socketConfig) {
         this.socketConfig = socketConfig;
     }
 
-    public boolean isAutoAck() {
-        return autoAck;
-    }
+    /**
+     * Send ack-response automatically on each ack-request
+     * Default is {@code true}
+     *
+     * @param autoAck
+     */
     public void setAutoAck(boolean autoAck) {
         this.autoAck = autoAck;
     }
+    public boolean isAutoAck() {
+        return autoAck;
+    }
 
 }

src/main/java/com/corundumstudio/socketio/SocketConfig.java

@@ -19,6 +19,7 @@ package com.corundumstudio.socketio;
  * TCP socket configuration contains configuration for main server channel
  * and client channels
  *
+ * @see java.net.SocketOptions
  */
 public class SocketConfig {