Go-SDK - 1.0.0-beta1

## [1.0.0-beta1] - September 27th, 2019

### New Features - Added decision listeners and project config update listeners. - Added optional configuration parameters to NewProcessor.

### Breaking Changes - This method `OptimizelyFactory.ClientWithOptions()` has been removed in favor of `OptimizelyFactory.Client(clientOptions ...OptionFunc)`

https://github.com/optimizely/go-sdk/releases/tag/v1.0.0-beta1