added a test to test tcp replication for chronicle sets

src/main/java/net/openhft/chronicle/map/ChronicleSet.java

@@ -1,12 +1,8 @@
 package net.openhft.chronicle.map;
 
+import java.io.Closeable;
 import java.util.Set;
 
-/**
- * Created by peter on 09/10/14.
- *
- * TODO to be moved to Chronicle-Map
- */
-public interface ChronicleSet<E> extends Set<E> {
+public interface ChronicleSet<E> extends Set<E>, Closeable {
     public long longSize();
 }

src/main/java/net/openhft/chronicle/map/ChronicleSetBuilder.java

@@ -429,6 +429,11 @@ public class ChronicleSetBuilder<E> implements Cloneable {
         public long longSize() {
             return m.longSize();
         }
+
+        @Override
+        public void close() throws IOException {
+            m.close();
+        }
     }
 
 }