chore(package): update pstree to version 0.0.1

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -51,7 +51,7 @@
     "ntp-client": "^0.5.3",
     "palmtree": "^2.5.0",
     "performance": "^1.1.1",
-    "pstree": "^0.0.0",
+    "pstree": "^0.0.1",
     "slap": "^0.1.61"
   },
   "devDependencies": {