Version 6.16.1
### 6.16.1:
- Changes
- General (Android): Fixes regression in 6.16.0 about Android build error
"Program type already present: com.google.firebase.unity.BuildConfig" when
make Android build with Crashlytics SDK in Unity 2019 and below.
- General: Significantly reduced the filesize of the Linux libraries.
- Database (Desktop): Added a function to create directories recursively
for persistent storage that fixes segfaults.