message: added express to browser false list
diff: "gulp-uglify": "^3.0.1"
  },
  "browser": {
  + "express": false,
  "fs": false,
  "https": false,
  "jsdom": false,
  - "path": false,
  - "os": false
  + "os": false,
  + "path": false
  },
  "directories": {
  "example": "examples",
  