chore(release): 4.0.0 (#51)

Author: evilebottnawi

.travis.yml

@@ -26,8 +26,6 @@ matrix:
       script: npm run test
     - node_js: '8'
       script: npm run test
-    - node_js: '6'
-      script: npm run test
 
 before_install:
   - npm install -g npm@latest

package.json

@@ -1,18 +1,18 @@
 {
   "name": "postcss-value-parser",
-  "version": "3.3.1",
+  "version": "4.0.0",
   "description": "Transforms css values and at-rule params into the tree",
   "main": "lib/index.js",
   "files": [
     "lib"
   ],
   "devDependencies": {
-    "eslint": "^5.6.1",
-    "husky": "^1.0.0",
-    "lint-staged": "^7.3.0",
-    "prettier": "^1.4.4",
+    "eslint": "^5.16.0",
+    "husky": "^2.3.0",
+    "lint-staged": "^8.1.7",
+    "prettier": "^1.17.1",
     "tap-spec": "^5.0.0",
-    "tape": "^4.2.0"
+    "tape": "^4.10.2"
   },
   "scripts": {
     "lint:prettier": "prettier '**/*.js' --list-different",