update composer require

Phan Thanh Cong · Phan Thanh Cong · commit a1a9ddd43540 · 2014-12-08T22:38:35.000+07:00
diff --git a/composer.json b/composer.json
@@ -13,7 +13,7 @@
     ],
     "require": {
         "php": ">=5.0",
-        "ptcong/php-http-class": "2.5.*@dev"
+        "ptcong/php-http-class": "dev-master"
     },
     "autoload": {
         "classmap": ["ChipVN/ImageUploader"]
