private function parseHttpHeaders($rawHeaders) {
		// ref/credit: http://php.net/manual/en/function.http-parse-headers.php#112986
		$headers = array();
		$key = '';

		foreach (explode("\n", $rawHeaders) as $h) {
			$h = explode(':', $h, 2);

			if (isset($h[1])) {
				if (!isset($headers[$h[0]])) {
					$headers[$h[0]] = trim($h[1]);
				} elseif (is_array($headers[$h[0]])) {
					$headers[$h[0]] = array_merge($headers[$h[0]], array(trim($h[1])));
				} else {
					$headers[$h[0]] = array_merge(array($headers[$h[0]]), array(trim($h[1])));
				}

				$key = $h[0];
			} else {
				if (substr($h[0], 0, 1) === "\t") {
					$headers[$key] .= "\r\n\t".trim($h[0]);
				} elseif (!$key) {
					$headers[0] = trim($h[0]);
				}
				trim($h[0]);
			}
		}

		return $headers;
	}