rollback reason

Synopsis:

(rollback reason reason)

Description:

Fires the rollback notification including the attribute reason as reason and then reverts the global state of the game to the current snapshot.

Contact: Fulvio Frapolli (fulvio . frapolli //at// unifr . ch), Amos Brocco (amos . brocco //at// unifr . ch)
* Remove spaces and replace //at// with @