Merge pull request #149 from vieiralucas/drop-old-node

chore: update supported Node versions

Author: keithamus

.travis.yml

@@ -1,7 +1,10 @@
 language: node_js
 node_js:
-  - 4
-  - stable
+  - 4 # to be removed 2018-04-01
+  - 6 # to be removed 2019-04-01
+  - 7 # to be removed 2017-06-30
+  - lts/* # safety net; don't remove
+  - node # safety net; don't remove
 deploy:
   provider: npm
   email:

package.json

@@ -65,6 +65,6 @@
     "npm-run-all": "^3.0.0"
   },
   "engines": {
-    "node": ">= 0.6.0"
+    "node": ">=4"
   }
 }