fix(lang): #140 - Removed Node4 Support + added launch config

Author: ahmed-shehata

.travis.yml

@@ -8,7 +8,6 @@ node_js:
 - '8'
 - '7'
 - '6'
-- '4'
 before_install:
 - openssl aes-256-cbc -K $encrypted_9413e5187502_key -iv $encrypted_9413e5187502_iv -in id_rsa.enc -out id_rsa -d
 before_script:

.vscode/launch.json

@@ -0,0 +1,27 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "program": "${workspaceFolder}/lib/index.node.js"
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Run AVA test",
+            "program": "${workspaceRoot}/node_modules/ava/profile.js",
+            "args": [
+                "--serial",
+                "${file}"
+            ],
+            "skipFiles": [
+                "<node_internals>/**/*.js"
+            ]
+        }
+    ]
+}