Fixed issue with wrong state in heartbeat after update client state API usage
[#68792608]
* copied library into demo projects
* updated library information (debug output in console)
[#68792608]
Update authors in CocoaPods.
* suppressed Xcode warning by replacement of C functions with utility classes
[#68677862]
* copied library into demo projects
* updated library information (debug output in console)
[#68677862]

[#68677862]
Cleaning code of test project: SendMessage.
Fix compilation error. Copied libraries into test projects.
[#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).
Update Configuration test.
Update logic for ClientStateTest.
Update logic for ClientStateTest.
Merge branch 'develop' of github.com:pubnub/objective-c into develop
Add huge compressed message test.
Added pre-processing for received response to find out whether it correspond to required JSON structure or not.
[#65161072]
Update CocoaPods spec.
* suppressed Xcode warnings when PubNub client built for 64bit architecture

[#68677862]
Merge branch 'develop' into fix-pt68677862
Merged with develop.
Update Libraries.