Update packages.

Author: RubenVerborgh

package.json

@@ -24,9 +24,9 @@
     "coveralls": "^2.11.14",
     "cross-spawn": "^5.0.1",
     "docco": "^0.7.0",
-    "eslint": "^3.10.0",
+    "eslint": "^3.13.1",
     "mocha": "^3.0.2",
-    "nyc": "^8.3.0",
+    "nyc": "^10.1.2",
     "pre-commit": "^1.1.3",
     "request": "^2.74.0",
     "uglify-js": "^2.7.3"