Merge pull request #241 from givanse/bump-engines

drop Node 4 and 5; add Node 10, 11

Author: mike-north

.travis.yml

@@ -1,10 +1,10 @@
 sudo: false
 language: node_js
 node_js:
-  - "4.2"
-  - "5"
   - "6"
   - "8"
+  - "10"
+  - "11"
 
 before_install:
   - "npm config set spin false"

package.json

@@ -5,7 +5,7 @@
   "description": "Pretender is a mock server library for XMLHttpRequest and Fetch, that comes with an express/sinatra style syntax for defining routes and their handlers.",
   "license": "MIT",
   "engines": {
-    "node": ">=4"
+    "node": "6.* || 8.* || 10.* || >= 11.*"
   },
   "scripts": {
     "pretest": "bower install",