Formatting code.

tests/center_text.aer

@@ -4,7 +4,7 @@ class Program {
 		int $tot_width = 30;
 		char $symbol = '-';
 		int $middle = (int) round($tot_width/2);
-		int $length_word = strlen($word);	
+		int $length_word = strlen($word);
 		int $middle_word = (int) round($length_word / 2);
 		int $last_position = $middle + $middle_word;
 		int $number_of_spaces = $middle - $middle_word;

tests/closure_test.aer

@@ -9,7 +9,7 @@ class Operations {
 				break;
 			case 'SUB':
 				return int() using ($x, $y) {
-					return $x - $y;                           
+					return $x - $y;
 				};
 				break;
 			default: