Test on Node 8.

RubenVerborgh · dmitrizagidulin · commit 22b2f6c139ef · 2017-08-09T13:46:00.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,8 @@ sudo: false
 language: node_js
 node_js:
   - "6.0"
+  - "8.0"
+  - "node"
 env:
   - CXX=g++-4.8
 
