Node 6+, cleanup

.editorconfig

@@ -7,8 +7,8 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-# Use tabs in JavaScript, CoffeeScript and JSON.
-[**.{coffee,js,json}]
+# Use tabs in JavaScript and JSON.
+[**.{js,json}]
 indent_style = tab
 indent_size = 4
 

.travis.yml

@@ -2,6 +2,5 @@ sudo: false
 language: node_js
 node_js:
   - 'stable'
+  - '7'
   - '6'
-  - '5'
-  - '4'

package.json

@@ -10,13 +10,13 @@
 	"bugs":         "https://github.com/derhuerst/hafas-client/issues",
 	"license":      "ISC",
 	"keywords":     ["hafas", "public", "transport", "api", "mgate"],
-	"engines" :     {"node": ">=4"},
+	"engines" :     {"node": ">=6"},
 	"dependencies": {
 		"got": "^6.3",
 		"moment-timezone": "^0.5.4"
 	},
 	"scripts": {
-		"test":       "node -e \"require('./index')\"",
+		"test": "node -e \"require('.')\"",
 		"prepublish": "npm test"
 	}
 }