Merge pull request #94 from akshit5230/patch-1

Update README.mdown

Author: viniciussoares

README.mdown

@@ -6,12 +6,13 @@ DatePickerDialog is an iOS drop-in classe that displays an UIDatePicker within a
 
 ## Requirements
 
-DatePickerDialog works on iOS 7, 8 and 9. It depends on the following Apple frameworks, which should already be included with most Xcode templates:
+DatePickerDialog works on iOS 7, 8 and 9, 10, 11 and 12. It depends on the following Apple frameworks, which should already be included with most Xcode templates:
 
 * Foundation
 * UIKit
 
 #### Swift Versions
+- Swift 4.2
 - Swift 3 (master)
 - Swift 2.3 (```swift_2.3``` branch)