src/knucklebone.js
function putJson(url, data, headers) {
		if (typeof url !== 'string')
			throw Error('url must be a string');
		return newRequest({
			url: url,
			method: 'PUT',
			data: data,
			requestContentType: 'json',
			headers: headers
		});
	}
function putJson(url, data, headers) {
		if (typeof url !== 'string')
			throw Error('url must be a string');
		return newRequest({
			url: url,
			method: 'PUT',
			data: data,
			requestContentType: 'json',
			headers: headers
		});
	}
/*