Мелкофиксы в исключениях

* использование valid_strlen() в AtolInnWrongLengthException и AtolTooLongException
* фикс опечатки в AtolEmailTooLongException

src/AtolOnline/Exceptions/AtolEmailTooLongException.php

@@ -27,5 +27,5 @@ class AtolEmailTooLongException extends AtolTooLongException
     /**
      * @var string Сообщение об ошибке
      */
-    protected $message = 'Email is is too long';
+    protected $message = 'Email is too long';
 }

src/AtolOnline/Exceptions/AtolInnWrongLengthException.php

@@ -39,6 +39,6 @@ class AtolInnWrongLengthException extends AtolException
     public function __construct($inn, $message = "", $code = 0, Throwable $previous = null)
     {
         parent::__construct($message ?: 'INN length must be 10 or 12 digits only, but actual is '.
-            (function_exists('mb_strlen') ? mb_strlen($inn) : strlen($inn)).')', $code, $previous);
+            valid_strlen($inn), $code, $previous);
     }
 }

src/AtolOnline/Exceptions/AtolTooLongException.php

@@ -35,6 +35,6 @@ class AtolTooLongException extends AtolException
     public function __construct($string, $max, $message = "", $code = 0, Throwable $previous = null)
     {
         parent::__construct($message ?: $this->message.' (max length - '.$max.', actual length - '.
-            (function_exists('mb_strlen') ? mb_strlen($string) : strlen($string)).')', $code, $previous);
+            valid_strlen($string), $code, $previous);
     }
 }