Update docs

Author: heldr

README.md

@@ -6,15 +6,15 @@ A simple [MIME][mime] type getter built on top of [Node.js][nodejs].
 MODULE
 ---------
 
-**Browser version:**: `bower install mimer` or [Minified][browserminified] (amd and CommonJS ready) [Source][browsersource]
+**Browser version:**: [Minified][browserminified] (amd and CommonJS ready) [Source][browsersource]
 
 **Node.js version:** `npm install mimer` into your project
 
 
 ### Getting started
 ```js
 // node and browserify
-var Mimer = require('mimer');
+const Mimer = require('mimer');
 
 // amd (Require.js and etc)
 require('path/to/mimer', function (Mimer) {});
@@ -77,9 +77,7 @@ $ make fulltest
 
 ## Release notes
 
-* 0.3 - Remove potential REDOS vulnerability.  Big thanks to [@davisjam](https://github.com/davisjam) for the report.
-* 0.2 - Follow IANA RFC and full AMD and browser support
-* 0.1 - First release
+See more in [Releases section](https://github.com/data-uri/mimer/releases).
 
 ## License
 

package.json

@@ -14,7 +14,7 @@
     "url": "git://github.com/heldr/mimer.git"
   },
   "engines": {
-    "node": ">= 4.0"
+    "node": ">= 6.0"
   },
   "files": [
     "dist",