TRACE request method

The TRACE request method as defined in RFC2068 (HTTP/1.1) says the webserver to echo the HTTP request headers as they were seen by the server originally.

As the spec says this can be used to discover if a proxy or something else in between the client and the server distorted the http request (the cgi-nanoweb-wrapper for example usually does this).

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NANOWEB, the aEGiS PHP web server