Merge pull request #49 from HanSon/test-friend

增加群发demo

example/qunfa.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: HanSon
+ * Date: 2016/12/7
+ * Time: 16:33
+ */
+
+require_once __DIR__ . './../vendor/autoload.php';
+
+use Hanson\Vbot\Foundation\Vbot;
+use Hanson\Vbot\Message\Entity\Text;
+use Hanson\Vbot\Support\Console;
+
+$robot = new Vbot([
+    'tmp' => __DIR__ . '/./../tmp/',
+    'debug' => true
+]);
+
+$robot->server->setCustomerHandler(function(){
+
+    contact()->each(function($item, $username){
+        $word = '新年快乐';
+        Console::log("send to username: $username  nickname:{$item['NickName']}");
+        Text::send($username, $word);
+        sleep(2);
+    });
+    exit;
+
+});
+
+$robot->server->run();