The first red blink was caused by an uninitialised search index. There is no caching of entries, since this then wouldn't update if someone joined/left during the tab. Instead, set to search index to MAX_VALUE then fix it to a valid index AFTER the search is complete. Also ditched trailing space on ": ".
Basic Usage
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The web client should automatically run when running the home server.
Alternatively, you can run it stand-alone:
$ python -m SimpleHTTPServer
Then, open this URL in a WEB browser::
http://127.0.0.1:8000/