- fixed resize button visibility bug

Release 6.1.1

Release 6.1.0.

Release 6.0.0

Release 5.0.2

Release 5.0.1

- updated Swift version in project file

- added new delegate methods for visibility state of controls

- improved code coverage
- added missing delegate calls for error cases

Release 4.1.0

Merge pull request #25 from andreipitis/asp-code-cleanup

4.0.0