Remove unmaintained node version

.travis.yml

@@ -1,11 +1,11 @@
 language: node_js
 sudo: false
 node_js:
-  - "iojs"
+  - "10"
+  - "9"
+  - "8"
   - "7"
   - "6"
-  - "5"
-  - "4"
 env:
   - CXX="g++-4.8" CC="gcc-4.8"
 addons:

README.md

@@ -8,12 +8,18 @@ A nodejs library for [ETCD v2](https://coreos.com/etcd/docs/latest/v2/api.html),
 
 ## Install
 
-For nodes >= 4.x:
+For nodes >= 6.x:
 
 ```
 $ npm install node-etcd
 ```
 
+For nodes 4.x <= node < 6.x:
+
+```
+$ npm install node-etcd@6
+```
+
 For 0.10.x <= nodejs <= 4.x and iojs:
 
 ```
@@ -27,6 +33,9 @@ $ npm install node-etcd@3.0.2
 ```
 
 ## Changes
+- 7.0.0
+  - Fixing vulnerabilities
+  - Drop support for nodejs version 4 &4
 - 6.0.0
   - Migrate from underscore to lodash for performance / @derektbrown
   - Updated package versions / @derektbrown

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-etcd",
-  "version": "6.0.2",
+  "version": "7.0.0",
   "description": "etcd library for node.js (etcd v2 api)",
   "repository": {
     "type": "git",
@@ -41,7 +41,7 @@
     }
   ],
   "engines": {
-    "node": ">= 0.10.0"
+    "node": ">= 6.0.0"
   },
   "main": "lib/index.js",
   "scripts": {