double builder should build from string

src/main/java/redis/clients/jedis/BuilderFactory.java

@@ -14,7 +14,7 @@ import redis.clients.util.SafeEncoder;
 public class BuilderFactory {
     public static final Builder<Double> DOUBLE = new Builder<Double>() {
         public Double build(Object data) {
-            return Double.valueOf((Long) data);
+            return Double.valueOf(STRING.build(data));
         }
 
         public String toString() {

src/test/java/redis/clients/jedis/tests/BuilderFactoryTest.java

@@ -0,0 +1,14 @@
+package redis.clients.jedis.tests;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import redis.clients.jedis.BuilderFactory;
+
+public class BuilderFactoryTest extends Assert {
+    @Test
+    public void buildDouble() {
+        Double build = BuilderFactory.DOUBLE.build("1.0".getBytes());
+        assertEquals(new Double(1.0), build);
+    }
+}

src/test/java/redis/clients/jedis/tests/PipeliningTest.java

@@ -1,6 +1,7 @@
 package redis.clients.jedis.tests;
 
 import java.io.UnsupportedEncodingException;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Set;
 
@@ -84,4 +85,24 @@ public class PipeliningTest extends Assert {
         string.get();
         p.sync();
     }
+
+    @Test
+    public void lala() {
+
+        Pipeline p = jedis.pipelined();
+
+        HashMap<String, Integer> mydata = new HashMap<String, Integer>();
+
+        mydata.put("test1", 1);
+        mydata.put("test2", 1);
+        mydata.put("test3", 1);
+        mydata.put("test4", 1);
+        mydata.put("test5", 1);
+
+        for (String txtfield : mydata.keySet()) {
+            p.zadd("somekey", mydata.get(txtfield), txtfield);
+            p.zincrby("SUPERUNION", mydata.get(txtfield), txtfield);
+        }
+        p.sync();
+    }
 }