Close #120 PR: Test on Node.js v4 and v5.

Srinivasan Sekar · sindresorhus · commit 898f748d590d · 2015-12-30T12:58:00.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: false
 language: node_js
 node_js:
-  - 'iojs'
+  - '5'
+  - '4'
   - '0.12'
   - '0.10'
