code: function each (obj, fn) {
  		const nth = obj.length;
  		let i = -1;
  
  		while (++i < nth) {
  			if (fn.call(obj, obj[i], i) === false) {
  				break;
  			}
  		}
  
  		return obj;
  	}
docs: Iterates obj and executes fn
  
  Parameters for fn are 'value', 'index'
  
  @method each
  @param  {Array}    obj Array to iterate
  @param  {Function} fn  Function to execute on index values
  @return {Array}        Array