Shivang

Results 4 issues of Shivang

This could be useful in scenario like implementing custom get strategy like, check in Cache first then check on server, which is opposite of default get method of firebase Firestore....

This could be used for switching publishers on every new login, implementation is described [here.](https://gist.github.com/kshivang/2b6561c0574a4031ee0e40643e589b8f)

enhancement
feature request

Check out [CombineFirebase](https://github.com/rever-ai/CombineFirebase), that might be more appropriate here, since it will be more consistent with your auth+combine pattern.

It reduced the null point error significantly. Also updated the age old gradle and dependenies version Backward compatible with Java as well Updated ReadMe with Kotlin code and new version...