Defaults path to site root.

If we do not use a pointer here, the startup function that opens the log file stores the log file in a copy of the handler, not the same instance of the handler, causing panics during requests, which is bad, especially when the response is gzipped: the next recover() is beyond the gzip handler, so the browser downloads a gz file instead.

Doesn't break using localhost to access the site

-port flag to allow overriding default port

Default port used if none is specified in config

Fix for Issue 13: Trouble running in Docker containers (or binding to 0.0.0.0)

gzip middleware now strips encoding header

Version number purposefully excluded (for now?)

adding support for php including clean urls and wordpress permalinks