e_lib 코드들을 composer로 이동

func_http 삭제. guzzle로 대체

php 파일에서 include, require 앞에 있는 구문들을 전부 뒤로 이동.

vendor/guzzlehttp/promises/src/TaskQueueInterface.php

@@ -0,0 +1,25 @@
+<?php
+namespace GuzzleHttp\Promise;
+
+interface TaskQueueInterface
+{
+    /**
+     * Returns true if the queue is empty.
+     *
+     * @return bool
+     */
+    public function isEmpty();
+
+    /**
+     * Adds a task to the queue that will be executed the next time run is
+     * called.
+     *
+     * @param callable $task
+     */
+    public function add(callable $task);
+
+    /**
+     * Execute all of the pending task in the queue.
+     */
+    public function run();
+}