upgrade to latest Xcode https://iosapptemplates.com

Update README.md

Merge pull request #21 from instamobile/deployment-target-update/12.1

Update for deployment target 12.1

Merge pull request #13 from instamobile/fix/receive-event

Updated TimeStamp type instead of Date

Merge pull request #11 from instamobile/fix/tap-event

fix/tap-event-did-not-get-called

Updated to Swift 5 and Xcode 11.1

Updated latest version of libraries

Update README.md

Update README.md

Update README.md

Update to Swift 5 and Xcode 10.2

Update to Swift 5 and Xcode 10.2