Updated the Changelog for 1.5.0 release. (#78)

* Updated the Changelog for 1.5.0 release.

* Added more description to the CHANGELOG.

* Bumped release version to 1.5.0

* Changed the hard-coded test client_version reference to refer to the const defined in the EventBuilder class.

* Bumped the test file to 1.5.0.

Author: alda-optimizely

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.5.0
+- Added support for notification listeners.
+- Added support for IP anonymization.
+
 ## 1.4.0
 - Added support for Numeric Metrics.
 - Switched to new event API.

src/Optimizely/Event/Builder/EventBuilder.php

@@ -36,7 +36,7 @@ class EventBuilder
     /**
      * @const string Version of the Optimizely PHP SDK.
      */
-    const SDK_VERSION = '1.4.0';
+    const SDK_VERSION = '1.5.0';
 
     /**
      * @var string URL to send event to.

tests/EventTests/EventBuilderTest.php

@@ -69,7 +69,7 @@ public function setUp()
                 ]],
                 'revision' => '15',
                 'client_name' => 'php-sdk',
-                'client_version' => '1.4.0',
+                'client_version' => '1.5.0',
                 'anonymize_ip'=> false,
             ];
         $this->expectedEventHttpVerb = 'POST';