Fix stackoverflow on .type(String)

Author: gkorland

src/main/java/com/redislabs/modules/rejson/JReJSON.java

@@ -279,7 +279,7 @@ public void set(String key, Object object, ExistenceModifier flag, Path path) {
      * @return the Java class of the requested object
      */
     public Class<?> type(String key) {
-    	return type(key);
+    	return type(key, Path.ROOT_PATH);
     }
 
     /**

src/test/java/com/redislabs/modules/rejson/ClientTest.java

@@ -162,6 +162,7 @@ public void delException() throws Exception {
     @Test
     public void typeChecksShouldSucceed() throws Exception {
         client.set( "foobar", new FooBarObject(), Path.ROOT_PATH);
+        assertSame(Object.class, client.type( "foobar"));
         assertSame(Object.class, client.type( "foobar", Path.ROOT_PATH));
         assertSame(String.class, client.type( "foobar", new Path(".foo")));
     }