exporting response-headers; useful for wiki and web-framework
Merge pull request #81 from rjmacready/export-response-headers

exporting response-headers; useful for wiki and web-framework
[client] Close client socket when with-http-connection exits
Merge pull request #83 from cgay/close-conn

[server] Shorten worker thread names to 'request worker n'
[server,client] Use a <request-method> class for request methods.
[tests] Tag tests that use the internet with 'online'.
[tests] Add comment about conflicting-listener-ips-test being expected to fail.
[server,client,common] Use <byte-string> instead of <symbol> for http method.