Add recent node versions to CI.

goto-bus-stop · goto-bus-stop · commit 85940d902881 · 2018-11-01T13:33:23.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - 'stable'
+  - '10'
+  - '9'
   - '8'
   - '6'
   - '4'
