breaking: not support node@4 any more, only support above 6

soda-x · soda-x · commit 5ccfca937c63 · 2017-04-18T10:58:08.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,8 @@
 language: node_js
 
 node_js:
-  - "4"
-  - "5"
   - "6"
+  - "7"
 
 after_success:
   - npm run coveralls
