2.0.47 is a breaking change | AES::setKey interface changed

[susnux]

Since 2.0.47 the interface of AES::setKey changed in a breaking way.
Previously it was extending Base but now the AES::setKey was removed so that it inherits from Base::setKey which is marked as @internal.

So this now causes a psalm issue:

InternalMethod: The method phpseclib\Crypt\Base::setKey is internal to phpseclib but called from ...

[terrafrost]

Apologies for not getting to this sooner - I had eclipse stuff and then was trying to finish up stuff at work so that I can go on a big trip starting tomorrow.

Anyway, cd4d0ba should fix this.

Thanks!