OSX, Windows and (perhaps) other Unixes.
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<font color=#888>
<a name="URL-parse"></a><b>
parse
</b>
<p>
<div class=slotDescription>
Private method to parse the url.
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<a name="URL-post"></a><b>
post(parameters, headers)
</b>
<p>
<div class=slotDescription>
Sends an HTTP post message. If parameters is a Map, its key/value pairs are 
	send as the post parameters. If parameters is a Sequence or String, it is sent directly.
	Any headers in the headers map are sent with the request.
	Returns a 