added Exception middleware and Logging middleware

Author: codeBestard

.travis.yml

@@ -1,7 +1,7 @@
+
 language: node_js
 node_js:
-  - 7
-  - 8
+    - 8
 cache: yarn
 env:
-  - NODE_ENV=test
+  - NODE_ENV=test

.vscode/launch.json

@@ -9,6 +9,7 @@
             "request": "launch",
             "protocol": "inspector",
             "name": "Launch Program",
+            "outputCapture": "std",   // capture stdout/stderr stream: eg. morgan logging
             "program": "${workspaceRoot}\\build\\server",
             "outFiles": [
                 "${workspaceRoot}/build/**/*.js"