v2.4.0

Implemented enhancements:

• Add priorities feature to handlers #645 (adiq)

Merged pull requests:

• Update .travis.yml #637 (andreybolonin)
• make serializer/deserializer visitor services public #635 (bgarel)
• Add autoconfigure feature for sf => 3.3 #633 (juntereiner)
• drop getDefinition() in favor of findDefinition() #630 (xabbuh)

Closed issues:

• Adding incrementing counter to each item in collection #653
• JMSSerializerBundle configuration Metadata (2) #650
• Without CDATA and without escaping #649
• JMS Serializer add groups by some condition #646
• Serializer ignores criteria query #643
• Unable to override default handlers in Symfony 4 #642
• Custom handle registration not compatible with Symfony 3.3+ #641
• jms_serializer directory in cache is not writable #640
• Inheritance overriding ? #639
• Problem with version 1.2.0 and library JMS\Serializer #636
• Symfony 3.4 - jms_serializer.json_deserialization_visitor service is private #632
• DateTime custom handler not working #631
• readOnly annotation with groups #628
• Tag v2.3.1 #627
• Subscribing Handler not used (FOSRestBundle: ExceptionHandler) #626
• XML mapping doesn't map XmlKeyValuePairs but works for JSON #521
• Mapping random key-value pair of XML payload in Symfony2 #470
• Overwrite FormHandler #466