added CLI util

README.md

 var app = new webframe.App();
 ```
 
+Or from the command line:
+
+``` Bash
+npm install -g webframe
+webframe [directory]
+```
+
 The file example.js contains an example of a small web application.
 
 ## Why a new web framework?

cli.js

+#!/usr/bin/env node
+
+if (process.argv[2] === "-h" || process.argv[2] === "--help") {
+	console.log("Usage: webframe [directory]");
+	console.log("    Create a web server in directory [dir] (or in the current directory).")
+	console.log("    Set the port (default 8080) with the PORT environment variable.");
+	console.log("    Set the host (default 127.0.0.1) with the HOSTNAME environment variable.");
+	process.exit(1);
+}
+
+var webframe = require(".");
+
+var dir = process.argv[2] || ".";
+
+var app = new webframe.App();
+app.get("^.*", webframe.static(dir));

package.json

 {
   "name": "webframe",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "Web framework.",
   "main": "index.js",
   "scripts": {
     "type": "git",
     "url": "https://git.mort.coffee/mort/webframe"
   },
+  "bin": {
+     "webframe": "cli.js"
+  },
   "author": "Martin Dørum <martid0311@gmail.com> (http://mort.coffee)",
   "license": "ISC"
 }