Copyright (C)  2019 Heiko Stamer <HeikoStamer@gmx.net>

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* most different versions of SecureSkat are not compatible to each other
* due to increased key length there may be an issue with the limited
  length (512 chars) of IRC messages enforced by some IRC servers
* long onion addresses (63 chars) may fail due to limited length (64 chars) of
  'real name' field in the initial IRC USER-message (37 out of 64 chars are
  already used for other client information) enforced by some IRC servers
* procedure 'waiting for three players' of table preparation is rarely unstable
