Bump heist requirement to support input list
Merge pull request #56 from ozataman/input-list

Bump heist requirement to support input list
Merge branch 'master' into input-list
Merge branch 'input-list' of git://github.com/jaspervdj/digestive-functors into input-list
Added support for grouped choice
Merge remote-tracking branch 'refs/remotes/doug/input-list'