Merge pull request #4 from bcomnes/greenkeeper-standard-8.0.0

Update standard to version 8.0.0 🚀

Author: bcomnes

package.json

@@ -27,7 +27,7 @@
     "xtend": "^4.0.1"
   },
   "devDependencies": {
-    "standard": "^7.1.2",
+    "standard": "^8.0.0",
     "tape": "^4.5.1"
   }
 }