chore(package): update strong-error-handler to version 3.2.0

Closes #15

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
     "nyc": "11.0.2",
     "semantic-release": "6.3.6",
     "serve-favicon": "2.4.3",
-    "strong-error-handler": "2.1.0"
+    "strong-error-handler": "3.2.0"
   },
   "dependencies": {
     "bluebird": "3.5.0",