- add an internal specific JNI function (javaCStringToUtf8()) to perform the UTF-8 conversion
- the SDK is configured to enable/disable the use of javaCStringToUtf8()

- for 32bits platform target
- when debug flag is not defined

- remove compiler warnings when logs are not enabled
- new getInstanceId() function to refactor code

- Introducing namespace AndroidOlmSdk
- Fix logs (function names mixed up)
- Add new check based on the calling java object instance type (IsInstanceOf())
- Fix return value for getXXXInstanceId() in case of failure. Now 0 is returned.

- Modify constructors for inbound and outbound group sessions
- Add new Ecxception class