The app doesn't crash on Done action when there are no items in self.data
When there are no elements in self.data we can try to scroll the picker without app crashing.
fixed position bug
Merge pull request #60 from 0xMarK/BugFix

Bug fix
Merge pull request #97 from elwerene/positionFix

fixed position bug
Merge branch 'master' into skywinder-master
update podspec