• Added EXPERIMENTAL support for encrypted session cookies.
  This feature is much more secure than signed cookies and can be enabled by installing CryptX and setting the
  encrypted attribute.
  $app->sessions->encrypted(1);
  
• Added EXPERIMENTAL encrypted attribute to Mojolicious::Sessions.
  
• Added EXPERIMENTAL encrypted_cookie and every_encrypted_cookie methods to Mojolicious::Controller.
  
• Added EXPERIMENTAL decrypt_cookie, encrypt_cookie and generate_secret functions to Mojo::Util.
  
• Fixed a bug in Mojo::Message::Request where message size limits were not always correctly applied.
  (Alexander Kuehne)