Add setDriver()

Author: stancl

src/Illuminate/Redis/RedisManager.php

@@ -203,6 +203,17 @@ public function disableEvents()
     {
         $this->events = false;
     }
+    
+    /**
+     * Change the default driver.
+     *
+     * @param  string  $driver
+     * @return void
+     */
+    public function setDriver($driver)
+    {
+        $this->driver = $driver;
+    }
 
     /**
      * Pass methods onto the default Redis connection.