ios 13 toolbar setItems layout constraint issue.

1.1.1

fixed for ios 13 toolbar issue. and moved out some code to a new file…

Swift 5 update

1.1.0

iPhone Xʀ with ios13 cant be found in travis ci, stick back with ipho…

Able to show and hide title.

Merge pull request #6 from michaelhenry/feature/able-to-hide-title

Feature/able to hide title