feat: rename Video -> Pretreat

Author: sabakugaara

src/Upyun/Api/Video.php src/Upyun/Api/Pretreat.phpsrc/Upyun/Api/Video.php renamed to src/Upyun/Api/Pretreat.php

@@ -8,7 +8,7 @@
 use Upyun\Util;
 
 
-class Video {
+class Pretreat {
 
     protected $url = 'http://p0.api.upyun.com';
 

src/Upyun/Upyun.php

@@ -194,17 +194,17 @@ public function purge($urls) {
     }
 
     public function processVideo($source, $tasks) {
-        $video = new Api\Video($this->config);
+        $video = new Api\Pretreat($this->config);
         return $video->process($source, $tasks);
     }
 
     public function queryVideoProcessStatus($taskIds) {
-        $video = new Api\Video($this->config);
+        $video = new Api\Pretreat($this->config);
         return $video->query($taskIds, '/status');
     }
 
     public function queryVideoProcessResult($taskIds) {
-        $video = new Api\Video($this->config);
+        $video = new Api\Pretreat($this->config);
         return $video->query($taskIds, '/result');
     }
 }