chore: test node 10 on travis, stop testing node 4

aleclarson · aleclarson · commit 2edde01bca93 · 2018-12-10T11:53:55.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,9 +6,9 @@ cache:
 notifications:
   email: false
 node_js:
+  - '10'
   - '8'
   - '6'
-  - '4'
 env:
   - NODE_ENV=development
 install:
