chore: Prepare release 1.0.0-beta2. (#126)

Author: Michael Ng

CHANGELOG.MD

@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 Changes that have landed but are not yet released.	Changes that have landed but are not yet released.
  - None
 
+## [1.0.0-beta2] - October 2nd, 2019
+
+### New Features
+- Introduces the `Activate` and `GetVariation` APIs for running A/B tests.
+- Makes the top-level client components public: `DecisionService, ConfigManager, EventProcessor`.
+
 ## [1.0.0-beta1] - September 27th, 2019
 
 ### New Features

optimizely/version.go

@@ -18,7 +18,7 @@
 package optimizely
 
 // Version is the current version of the client
-const Version = "0.2.0"
+const Version = "1.0.0-beta2"
 
 // ClientName is the name of the client
 const ClientName = "go-sdk"