load css files in binary encoding

Author: s0ph1e

lib/load.js

@@ -135,12 +135,16 @@ var Loader = function (data) {
    * @return {Promise}
    */
   function loadCssFileFromUrl(absoluteUrl, localFilePath) {
-    return request.getAsync(absoluteUrl)
+    return request.getAsync({
+      url: absoluteUrl,
+      method: 'GET',
+      encoding: null
+    })
       .then(function (response) {
-        return loadCssSources(response[1], absoluteUrl, localFilePath)
+        return loadCssSources(response[1].toString(encoding), absoluteUrl, localFilePath)
       })
       .then(function (response) {
-        return fs.outputFileAsync(localFilePath, response)
+        return fs.outputFileAsync(localFilePath, response, {encoding: encoding})
       })
       .then(function () {
         logger.log(absoluteUrl + ' -> ' + localFilePath);