build: support Node.js 7.x

ppitonak · dougwilson · commit 5bbabd3bd778 · 2016-11-15T21:15:37.000-05:00
closes #22
diff --git a/.travis.yml b/.travis.yml
@@ -9,6 +9,7 @@ node_js:
   - "4.6"
   - "5.12"
   - "6.9"
+  - "7.1"
 sudo: false
 cache:
   directories:
