Several changes have been added to this commit:

- Add asking to cluster commands
- Make jedis cluster return connection to original pool
- Add tests for MOVED and ASK cluster responses
- Refactor connection handler to recalculate connections based on slots

This commit makes the first usable version of Jedis along with Redis Cluster

src/main/java/redis/clients/jedis/exceptions/JedisAskDataException.java

@@ -1,11 +1,12 @@
 package redis.clients.jedis.exceptions;
 
+import redis.clients.jedis.HostAndPort;
+
 public class JedisAskDataException extends JedisDataException {
     private static final long serialVersionUID = 3878126572474819403L;
-
-    public JedisAskDataException(String message) {
-        super(message);
-    }
+    
+    private HostAndPort targetNode;
+    private int slot;
 
     public JedisAskDataException(Throwable cause) {
         super(cause);
@@ -14,4 +15,18 @@ public class JedisAskDataException extends JedisDataException {
     public JedisAskDataException(String message, Throwable cause) {
         super(message, cause);
     }
+
+	public JedisAskDataException(String message, HostAndPort targetHost, int slot) {
+		super(message);
+		this.targetNode = targetHost; 
+		this.slot = slot;
+	}
+
+	public HostAndPort getTargetNode() {
+		return targetNode;
+	}
+
+	public int getSlot() {
+		return slot;
+	}
 }