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#### Section/Content To Improve
https://github.com/axios/axios/blob/master/CHANGELOG.md

#### Suggested Improvement
Please add 0.21.1 to the Changelog.

#### Relevant File(s)
https://github.com/axios/axios/blob/master/CHANGELOG.md
dist/axios.js
* @param {Array|Function} fns A single function or Array of functions
	 * @returns {*} The resulting transformed data
	 */
	module.exports = function transformData(data, headers, fns) {
	  
	  utils.forEach(fns, function transform(fn) {
	    data = fn(data, headers);
	  });
	
	  return data;
	};
 }),
 (function(module, exports) {
	'use strict';
	
	module.exports = function isCancel(value) {
	  return !!(value && value.__CANCEL__);
	};
 }),
 (function(module, exports, __webpack_require__) {
	'use strict';
	
	var utils = __webpack_require__(2);
	var normalizeHeaderName = __webpack_require__(11);
	
	var DEFAULT_CONTENT_TYPE = {
	  'Content-Type': 'application/x-www-form-urlencoded'
	};
	
	function setContentTypeIfUnset(headers, value) {