Add two CGI example and basic Python CGI server.

examples/cgi/cgi_server.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+import BaseHTTPServer
+import CGIHTTPServer
+
+server = BaseHTTPServer.HTTPServer
+handler = CGIHTTPServer.CGIHTTPRequestHandler
+server_address = ('localhost', 8008)
+handler.cgi_directories = ['/']
+
+httpd = server(server_address, handler)
+httpd.serve_forever()