0.004   2019-02-14 (PERLANCAR)

	- Make sort order deterministic [GH#1].


0.003   2017-07-04 (PERLANCAR)

	- No functional changes.

	- Add note in toposort() about dying when graph cannot be sorted.


0.002   2016-06-24 (PERLANCAR)

	- toposort() now accepts an optional second argument to sort
	  specified nodes.

	- [doc] Add description for toposort(), link to Wikipedia article
	  about topological sorting.


0.001   2016-06-24 (PERLANCAR)

        - First release.