Using the Rijndael class for Legacy compatibility.
Even though this is nothing more than weak obfuscation since the key and salt are saved with the encrypted password, it's still better than RC4 with a constant key.
Updated DLL for new StoredPassword class.

Better failure detection and grouping.

This resolves the "reload every time a change is made" Config issue.
Reloads should only occur when account-related changes are made.

Addition: Use consistent methodology for checking Key length.

First step in attempting support for modern macOS.

New "Attempt" state value to track redirections.