Add two CGI example and basic Python CGI server.

.gitignore

@@ -63,6 +63,8 @@ examples/cross_calculator/android/tags
 /examples/allany
 /examples/cairoex
 /examples/cgiex
+/examples/cgi/cgi_stacktrace
+/examples/cgi/example
 /examples/curlex
 /examples/docstrings
 /examples/filterex

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()

examples/cgi/cgi_stacktrace.nim

@@ -0,0 +1,5 @@
+import cgi
+cgi.setStackTraceStdout()
+
+var a: string = nil
+a.add "foobar"

examples/cgi/example.nim

@@ -0,0 +1,7 @@
+import cgi
+
+write(stdout, "Content-type: text/html\n\n")
+write(stdout, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\">\n")
+write(stdout, "<html><head><title>Test</title></head><body>\n")
+write(stdout, "Hello!")
+writeln(stdout, "</body></html>")