Split serve_forever to allow polling in loop and add another example with polling in while loop. #7
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I split out the logic from the serve_forever into two methods start() and poll(). This will allow developers to do other work in the while loop while still processing the web requests. The original method now calls these two methods so that any existing code will still work. Tested it using both of the existing examples and added a third that implements the start() and poll() functions.