Remove potential '? extends' chars from string comparision on type check validation.
Add @SkipTest annotation to skip generating specifics companion tests.
Correct reactive base types, replace Observable with Single and Completable.
Bump Retrofit2 RxJava2 adapter to 2.2.0.
Bump Retrofit2 RxJava2 adapter to 1.0.0 (rxjava2 stable release).
Support RxJava 2.x.
Initial release.