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Author SHA1 Message Date
Grace Karanja
853dfa6673 Create UndoBuffer class
Add an empty UndoBuffer class. This will be built up on to
implement a working undo/redo mechanism.

Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-02-09 21:02:07 -08:00