Update pg to 6.0.1

Joel Mukuthu · Joel Mukuthu · commit 6a6c6ca850f5 · 2016-06-30T16:49:31.000+02:00
Makes it possible to use this in Node.js 6
diff --git a/package.json b/package.json
@@ -17,7 +17,7 @@
     "async": "1.5.0",
     "dockerode": "2.2.3",
     "passerror": "1.1.0",
-    "pg": "5.1.0",
+    "pg": "6.0.1",
     "when": "3.7.4"
   },
   "repository": {
