Update authors in CocoaPods.
[#69404832] Fixed issue with "Fetch History" button
[#68574224] Added crypto helper reset when empty key is provided (w/o it there was small bug which doesn't allow to remove cipher key and send unencrypted messages).
Merge branch 'develop' of github.com:pubnub/objective-c into develop
Merge branch 'develop' into fix-pt68677862