Fix for Node 6 problem with invalid password, see loopbackio/loopback-connector-postgresql#138

Author: thejhh

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nor-pg",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "PostgreSQL library with Promises for Node.js",
   "main": "src/index.js",
   "scripts": {
@@ -18,7 +18,7 @@
     "nor-function": "^1.0.0",
     "nor-is": "^1.0.0",
     "nor-newrelic": "^1.0.0",
-    "pg": "^3.4.1",
+    "pg": "^4.5.5",
     "pg-escape": "^0.2.0",
     "q": "^1.0.1"
   },