3.0.0 - 2019-10-25
- changes base package to io.hdnrs
- Added Autoconfiguration Failure Analysis
- replace oauth.access with oauth.v2.access
- removes im method group (deprecated by slack)
- remove groups and channels methods (deprecated by slack)
- Added ApplicationEnvironmentCredentialsProvider
- fix conversations.setPurpose and conversations.setTopic Request
- supported java version to 11+
