public function setHeader($name, $value, $replace = false)
	{
		// Sanitize the input values.
		$name  = (string) $name;
		$value = (string) $value;

		// If the replace flag is set, unset all known headers with the given name.
		if ($replace)
		{
			foreach ($this->response->headers as $key => $header)
			{
				if ($name == $header['name'])
				{
					unset($this->response->headers[$key]);
				}
			}

			// Clean up the array as unsetting nested arrays leaves some junk.
			$this->response->headers = array_values($this->response->headers);
		}

		// Add the header to the internal array.
		$this->response->headers[] = array('name' => $name, 'value' => $value);

		return $this;
	}