Go-SDK - 1.6.0

> Introducing a new primary interface for retrieving feature flag status, configuration and associated experiment decisions for users ([#304](https://github.com/optimizely/go-sdk/pull/304), [#303](https://github.com/optimizely/go-sdk/pull/303), [#299](https://github.com/optimizely/go-sdk/pull/299), [#298](https://github.com/optimizely/go-sdk/pull/298), [#297](https://github.com/optimizely/go-sdk/pull/297)). The new OptimizelyUserContext class is instantiated with CreateUserContext and exposes the following APIs to get OptimizelyDecision:

For details, refer to our documentation page: https://docs.developers.optimizely.com/full-stack/v4.0/docs/go-sdkhttps://docs.developers.optimizely.com/full-stack/v4.0/docs/go-sdk.

https://github.com/optimizely/go-sdk/releases/tag/v1.6.0