code: function applyTransform(data, headers, status, fns) {
  		if (typeof fns === 'function') {
  			data = fns(data, headers, status);
  		} else {
  			for (var i = 0; i < fns.length; i++) {
  				data = fns[i](data, headers, status);
  			}
  		}
  		return data;
  	}
docs: Apply request or response transform
  @param data
  @param headers
  @param status
  @param fns
  @returns {*}