Hmm, ok, I see what you mean now. I must have messed something up on github as it's assuming v1.1.0 and v1.1.1 were both released on the same December 2014 date... It's been a while since I did anything with git so there's going to be much head scratching until I figure this one out.
EDIT: I'm still not quite sure what happened there, but I seem to have fixed it! Thanks for pointing it out.