BC Break in 3.1.0

[Aaron Scherer]

a2d23d6#diff-e3457effa5fa347d185fdd0d08ba3209R173

FYI, this should have been a 4.0.0 release.

[Luis Puig]

I see, my bad :(

Shall I bump a new version now even with no more changes? Or leave like this and bump to 4.0.0 next time? Not sure what would be better...

Thanks for reporting it

[Luis Puig]

Bumped on PR #28