This function will perform the specified request on the FileMaker
		server, and it will return the raw result from FileMaker.

def _doRequest(self, request=None, is_file=False, file_xml_uri=''):
		"""This function will perform the specified request on the FileMaker
		server, and it will return the raw result from FileMaker."""
		if request is None:
			request = []

		if is_file and file_xml_uri:
			url = self._buildFileUrl(file_xml_uri)
		else:
			request = '&'.join(request)
			url = "%s?%s" % (self._buildUrl(), request)

		if self._debug:
			print '[PyFileMaker DEBUG] ', url

		resp = requests.get(
			url = url,
			auth = (self._login, self._password)
		)
		resp.raise_for_status()

		return resp.content