prepare 3.7.3 release

.circleci/config.yml

@@ -89,7 +89,8 @@ jobs:
             sudo apt-get update &&
             sudo apt-get install circleci-php-5.5.36 &&
             php -r "copy('https://getcomposer.org/installer', '/tmp/composer-setup.php');" &&
-            sudo php /tmp/composer-setup.php --install-dir=/usr/local/bin --filename=composer
+            sudo php /tmp/composer-setup.php --install-dir=/usr/local/bin --version 1.10.16 --filename=composer
+            # Composer 2.0 doesn't work with the older versions of php-cs-fixer that support PHP 5.5
       - run:
           name: install Docker
           command: |

src/LaunchDarkly/Impl/Integrations/DynamoDbFeatureRequester.php

@@ -26,7 +26,7 @@ public function __construct($baseUri, $sdkKey, $options)
         $this->_client = new DynamoDbClient($dynamoDbOptions);
 
         $prefix = isset($options['dynamodb_prefix']) ? $options['dynamodb_prefix'] : '';
-        $this->_prefix = ($prefix != null && $prefix != '') ? ($prefix . '/') : '';
+        $this->_prefix = ($prefix != null && $prefix != '') ? ($prefix . ':') : '';
     }
 
     protected function readItemString($namespace, $key)

tests/DynamoDbFeatureRequesterTest.php

@@ -53,7 +53,7 @@ protected function putItem($namespace, $key, $version, $json)
         self::$dynamoDbClient->putItem(array(
             'TableName' => self::TABLE_NAME,
             'Item' => array(
-                'namespace' => array('S' => self::PREFIX . '/' . $namespace),
+                'namespace' => array('S' => self::PREFIX . ':' . $namespace),
                 'key' => array('S' => $key),
                 'version' => array('N' => strval($version)),
                 'item' => array('S' =>  $json)