Merge pull request webpack-contrib#307 from tadjohnston/master

Fixes issue webpack-contrib#133 with unicode strings

Author: sokra

package.json

@@ -7,7 +7,7 @@
     "node": ">=0.12.0"
   },
   "dependencies": {
-    "css-selector-tokenizer": "^0.5.1",
+    "css-selector-tokenizer": "^0.6.0",
     "cssnano": ">=2.6.1 <4",
     "loader-utils": "~0.2.2",
     "object-assign": "^4.0.1",