Changed license type from MIT to PubNub Software Development Kit Lice…

…nse (#287)

* Changed license type from MIT to PubNub Software Development Kit License

* Updated the JSON library to version 20231013

* PubNub SDK v6.4.1 release.

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Co-authored-by: PubNub Release Bot <[email protected]>

Used new CryptoModule from kotlin SDK. (#280)

fix: Improve security of crypto implementation. 

Improved security of crypto implementation by adding enhanced AES-CBC cryptor

feat: Add crypto module

Add crypto module that allows configure SDK to encrypt and decrypt messages. 

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Co-authored-by: PubNub Release Bot <[email protected]>

Added possibility to set state using heartbeat endpoint. (#277)

* Added possibility to set state using heartbeat endpoint.
* PubNub SDK v6.3.6 release.

Add heartbeat error limit (#275)

* Add heartbeat error limit

In case of any problems we should not quit immediately heartbeat calls.
The interval is chosen so it's possible to call heartbeat 3 times
during one presence interval, therefore we should keep trying at least
few more times

* PubNub SDK v6.3.5 release.

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Co-authored-by: PubNub Release Bot <[email protected]>

Upgraded json lib (#272)

* Upgraded json lib
* PubNub SDK v6.3.4 release.

Upgraded jackson-databind lib to remove sec vulnerabilities. (#271)

* Upgraded jackson-databind lib to remove sec vulnerabilities.

Undeprecated Grant Token methods. (#270)

fix: Remove deprecation for Grant Token methods.

Do not read body if it's null (#256)

Upgraded okhttp lib to 4.9.3 (#252)

refactor: Upgrade OkHttp lib to 4.9.3
feat: Added acceptance tests for ObjectsV2 feature
feat: Added possibility to add status when setting ChannelMembers
feat: Added status and type to query parameters for objectV2 REST calls. For membership and member only status

 Expose jsonMessage for file events (#246)

Extract message processing to simplify the design (and tests)