Update to node 10 in .travis.yml (#27)

hyperlink · web-flow · commit fd0906744ef4 · 2018-04-27T16:12:27.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,6 +9,7 @@ node_js:
   - '7'
   - '6'
   - '4'
+  - '10'
 before_script:
   - npm prune
 after_success:
