Adds Node v8

bkrem · bkrem · commit 226ada38ee3f · 2017-06-01T21:39:27.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 language: node_js
 
 node_js:
+  - 8
   - 7
   - 6
   - 5
@@ -18,4 +19,4 @@ after_success: 'npm run coveralls'
 
 cache:
   directories:
-    - node_modules
+    - node_modules
