Basic HTTP server.

Supports:
	* GET method

How to config:
	* clone the repo
	* install ruby 1.9.x
	* From a CLI terminal, give the following command:
		$ ruby httpd.rb
	* Then from another terminal / tab, give
		$ telnet localhost 6000
	  ** 6000 is the port the server is listening

How to use:
	* Query examples:
		GET README
		GET /test/FAQ
		GET test
	* To exit, write two empty lines (press 'Enter' two times)

TODO:
	* add support for other methods