wearefractal/gulp-concat — pull request #9 by BinaryMuse (2013-12-21 07:12:12+00:00)
Title: Upgrade to gulp-util 2.2.0

This fixes the following on new versions of gulp:

```
.../node_modules/gulp/lib/createOutputStream/writeFile.js:7
if (file.isNull()) return cb(null, file);
^
TypeError: Object # has no method 'isNull'
at module.exports (.../node_modules/gulp/lib/createOutputStream/writeFile.js:7:12)
at .../node_modules/gulp/lib/createOutputStream/index.js:22:9
at .../node_modules/gulp/node_modules/mkdirp/index.js:38:26
at Object.oncomplete (fs.js:107:15)
```