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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
}
	  });
	
	  var axiosKeys = valueFromConfig2Keys
	    .concat(mergeDeepPropertiesKeys)
	    .concat(defaultToConfig2Keys)
	    .concat(directMergeKeys);
	
	  var otherKeys = Object
	    .keys(config1)
	    .concat(Object.keys(config2))
	    .filter(function filterAxiosKeys(key) {
	      return axiosKeys.indexOf(key) === -1;
	    });
	
	  utils.forEach(otherKeys, mergeDeepProperties);
	
	  return config;
	};
 }),
 (function(module, exports) {
	'use strict';
	
	/**
	 * A `Cancel` is an object that is thrown when an operation is canceled.
	 *
	 * @class
	 * @param {string=} message The message.
	 */
	function Cancel(message) {