Add ability to configure name for all ChronicleMaps and ChronicleSets via ChronicleHashBuilder.name(). Add ChronicleHash.toIdentityString()

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

@@ -81,6 +81,12 @@ public final class ChronicleSetBuilder<K>
         }
     }
 
+    @Override
+    public ChronicleSetBuilder<K> name(String name) {
+        chronicleMapBuilder.name(name);
+        return this;
+    }
+
     @Override
     public ChronicleSetBuilder<K> actualSegments(int actualSegments) {
         chronicleMapBuilder.actualSegments(actualSegments);