Merge pull request #303 from mowaken/master

fixed RedisClient.prototype.end()

index.js

@@ -826,6 +826,7 @@ RedisClient.prototype.end = function () {
     this.stream._events = {};
     this.connected = false;
     this.ready = false;
+    this.closing = true;
     return this.stream.end();
 };