create a new separate function for close chat

Author: nv08

VerloopSDK/VerloopSDK.swift

@@ -61,6 +61,10 @@ import Foundation
     @objc public func close() {
         self.manager.close()
     }
+
+    @objc public func closeChat() {
+        self.manager.close()
+    }
 
     @objc public func observeLiveChatEventsOn(vlEventDelegate delegate:VLEventDelegate) {
         if manager != nil {

VerloopSDKiOS.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |spec|
   #
 
   spec.name         = "VerloopSDKiOS"
-  spec.version      = "0.2.16"
+  spec.version      = "0.2.19-rc.2"
   spec.summary      = "VerloopSDKiOS - client side iOS livechat"
 
   # This description is used to generate tags and improve search results.