Rewrite test cases with DynamoDB's official sample data.

Now we can run queries used in test cases against actual DynamoDB tables.

Author: kitar

src/Kitar/Dynamodb/Query/Builder.php

@@ -306,6 +306,14 @@ public function where($column, $operator = null, $value = null, $boolean = 'and'
         return $this;
     }
 
+    /**
+     * @inheritdoc
+     */
+    public function orWhere($column, $operator = null, $value = null)
+    {
+        return $this->where($column, $operator, $value, 'or');
+    }
+
     /**
      * @inheritdoc
      */