Update dependencies

Author: cheton

package.json

@@ -27,15 +27,15 @@
  "main": "lib/index.js",
  "dependencies": {},
  "devDependencies": {
- "babel-core": "^6.3.15",
- "babel-preset-es2015": "^6.18.0",
- "babel-preset-stage-0": "^6.16.0",
- "chai": "^3.4.1",
- "coveralls": "^2.11.4",
- "gulp": "^3.9.0",
+ "babel-core": "^6.26.0",
+ "babel-preset-es2015": "^6.24.1",
+ "babel-preset-stage-0": "^6.24.1",
+ "chai": "^3.5.0",
+ "coveralls": "^2.13.2",
+ "gulp": "^3.9.1",
  "gulp-babel": "^7.0.0",
- "gulp-istanbul": "^1.1.1",
+ "gulp-istanbul": "^1.1.2",
  "gulp-mocha": "^4.3.1",
- "mocha": "^3.2.0"
+ "mocha": "^3.5.3"
  }
 }