prepare for release 3.7.0 (#225)

Author: jaeopt

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Optimizely PHP SDK Changelog
 
+## 3.7.0
+February 17th, 2021
+
+### New Features:
+- Introducing a new primary interface for retrieving feature flag status, configuration and associated experiment decisions for users ([#220](https://github.com/optimizely/php-sdk/pull/220), [#224](https://github.com/optimizely/php-sdk/pull/224)). The new `OptimizelyUserContext` class is instantiated with `createUserContext` and exposes the following APIs to get `OptimizelyDecision`:
+
+    - setAttribute
+    - decide
+    - decideAll
+    - decideForKeys
+    - trackEvent
+
+- For details, refer to our documentation page: https://docs.developers.optimizely.com/full-stack/v4.0/docs/php-sdk.
+
 ## 3.6.1
 November 19th, 2020
 

src/Optimizely/Event/Builder/EventBuilder.php

@@ -38,7 +38,7 @@ class EventBuilder
     /**
      * @const string Version of the Optimizely PHP SDK.
      */
-    const SDK_VERSION = '3.6.1';
+    const SDK_VERSION = '3.7.0';
 
     /**
      * @var string URL to send event to.

tests/EventTests/EventBuilderTest.php

@@ -68,7 +68,7 @@ public function setUp()
                 ]],
                 'revision' => '15',
                 'client_name' => 'php-sdk',
-                'client_version' => '3.6.1',
+                'client_version' => '3.7.0',
                 'anonymize_ip'=> false,
                 'enrich_decisions' => true,
             ];