| 0.2.0 | 
                                
                                    * Improved documentation. 
* Upgrade bundled ion-c library. 
* Fix gh-issue #5: ion\Timestamp crashes with string timezones. 
* Add ion\Exception. 
* Refactor (un)serialization facilities: 
  * Removed ion\Reader\Options class and moved the options to the ion\Reader constructor. 
  * Removed ion\Writer\Options class and moved the options to the ion\Writer constructor. 
  * Renamed ion\Serializer\PHP to ion\Serializer\Serializer. 
  * Renamed ion\Unserializer\PHP to ion\Unserializer\Unserializer. 
  * Changed ion\Serializer::serialize(mixed $data) to 
    ion\Serializer::serialize(mixed $data, ion\Writer|array|null $writer = null). 
  * Changed ion\Unserializer::unserialize(string|resource $data) to 
    ion\Unserializer::unserialize(ion\Reader|string|resource $data) 
* Add support for custom (un)serializers.                                 |