Bump to 2.3.2

Author: iwb-kevin-hirsch

DropDown/src/DropDown.swift

@@ -1107,7 +1107,7 @@ extension DropDown {
 	Starts listening to keyboard events.
 	Allows the drop down to display correctly when keyboard is showed.
 	*/
-	public static func startListeningToKeyboard() {
+	@objc public static func startListeningToKeyboard() {
 		KeyboardListener.sharedInstance.startListeningToKeyboard()
 	}
 

README.md

@@ -2,7 +2,7 @@
 
 [![Twitter: @kevinh6113](http://img.shields.io/badge/contact-%40kevinh6113-70a1fb.svg?style=flat)](https://twitter.com/kevinh6113)
 [![License: MIT](http://img.shields.io/badge/license-MIT-70a1fb.svg?style=flat)](https://github.com/AssistoLab/DropDown/blob/master/README.md)
-[![Version](http://img.shields.io/badge/version-2.3.1-green.svg?style=flat)](https://github.com/AssistoLab/DropDown)
+[![Version](http://img.shields.io/badge/version-2.3.2-green.svg?style=flat)](https://github.com/AssistoLab/DropDown)
 [![Cocoapods](http://img.shields.io/badge/Cocoapods-available-green.svg?style=flat)](http://cocoadocs.org/docsets/DropDown/)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)