Minor version of cookies package released:

• Add the Yiisoft\Cookies\CookieEncryptor class to encrypt the value of the cookie and verify that it is tampered.
• Add the Yiisoft\Cookies\CookieSigner class to sign the value of the cookie and verify that it is tampered.
• Add the Yiisoft\Cookies\CookieMiddleware class to encrypt/sign the value of the cookie and verify that it is tampered.