Docs and examples to top level

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+#!/usr/bin/env python
+"""
+This example builds on mitmproxy's base proxying infrastructure to
+implement functionality similar to the "sticky cookies" option.
+
+Heads Up: In the majority of cases, you want to use inline scripts.
+"""
+import os
+from mitmproxy import controller, proxy
+from mitmproxy.proxy.server import ProxyServer
+
+
+class StickyMaster(controller.Master):
+    def __init__(self, server):
+        controller.Master.__init__(self, server)
+        self.stickyhosts = {}
+
+    def run(self):
+        try:
+            return controller.Master.run(self)
+        except KeyboardInterrupt:
+            self.shutdown()
+
+    def handle_request(self, flow):
+        hid = (flow.request.host, flow.request.port)
+        if "cookie" in flow.request.headers:
+            self.stickyhosts[hid] = flow.request.headers.get_all("cookie")
+        elif hid in self.stickyhosts:
+            flow.request.headers.set_all("cookie", self.stickyhosts[hid])
+        flow.reply()
+
+    def handle_response(self, flow):
+        hid = (flow.request.host, flow.request.port)
+        if "set-cookie" in flow.response.headers:
+            self.stickyhosts[hid] = flow.response.headers.get_all("set-cookie")
+        flow.reply()
+
+
+config = proxy.ProxyConfig(port=8080)
+server = ProxyServer(config)
+m = StickyMaster(server)
+m.run()