0.004   2017-08-17 (PERLANCAR)

	- [Bugfix] Redo (as well as undo) should redo (undo) the most
	  recently undone (done) action.


0.003   2017-08-01 (PERLANCAR)

	- [Bugfix] Don't rename to NAME.1 if name doesn't change.


0.002   2017-08-01 (PERLANCAR)

	- Use Sereal instead of JSON for faithful bytes serialization (even
	  YAML::XS uses utf8 transformation).


0.001    2017-07-28 (PERLANCAR)

         - First release, without tests.