chore(package): update args to version 2.1.0 (#27)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -16,7 +16,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "args": "^2.0.0",
+    "args": "^2.1.0",
     "chalk": "^1.1.3",
     "dext-core-utils": "^0.2.1",
     "ora": "^0.3.0"