Add new queries, slightly modify existing queries

listlangs.php

@@ -0,0 +1,42 @@
+<?php
+/*
+Copyright 2017 UUP dump API authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+function uupListLangs() {
+    require_once 'shared/main.php';
+    require 'shared/packs.php';
+
+    $langList = array();
+    $langListFancy = array();
+    foreach($packsForLangs as $key => $val) {
+        if(isset($packsForLangs[$key])) {
+            $fancyName = $fancyLangNames[$key];
+        } else {
+            $fancyName = $key;
+        }
+
+        $temp = array($key => $fancyName);
+        $langList = array_merge($langList, array($key));
+        $langListFancy = array_merge($langListFancy, $temp);
+    }
+
+    return array(
+        'apiVersion' => uupApiVersion(),
+        'langList' => $langList,
+        'langFancyNames' => $langListFancy,
+    );
+}
+?>