Added serialize/unserialize function for rpc servers/clients in bundle configuration

Author: igaponov

DependencyInjection/Configuration.php

@@ -185,6 +185,7 @@ protected function addRpcClients(ArrayNodeDefinition $node)
                         ->children()
                             ->scalarNode('connection')->defaultValue('default')->end()
                             ->booleanNode('expect_serialized_response')->defaultTrue()->end()
+                            ->scalarNode('unserializer')->defaultValue('unserialize')->end()
                         ->end()
                     ->end()
                 ->end()
@@ -213,6 +214,7 @@ protected function addRpcServers(ArrayNodeDefinition $node)
                                     ->booleanNode('global')->defaultFalse()->end()
                                 ->end()
                             ->end()
+                            ->scalarNode('serializer')->defaultValue('serialize')->end()
                         ->end()
                     ->end()
                 ->end()