adding a pagination api

ref #24

DependencyInjection/ChillMainExtension.php

@@ -31,11 +31,15 @@ class ChillMainExtension extends Extension implements PrependExtensionInterface
         
         $container->setParameter('chill_main.routing.resources', 
             $config['routing']['resources']); 
+        
+        $container->setParameter('chill_main.pagination.item_per_page',
+            $config['pagination']['item_per_page']);
 
         $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.yml');
         $loader->load('services/logger.yml');
         $loader->load('services/repositories.yml');
+        $loader->load('services/pagination.yml');
     }
 
     public function prepend(ContainerBuilder $container) 

DependencyInjection/Configuration.php

@@ -35,7 +35,17 @@ class Configuration implements ConfigurationInterface
                         ->arrayNode('resources')
                         ->prototype('scalar')->end()
                         ->end()
+                    ->end()
                 ->end()
+                ->arrayNode('pagination')
+                    ->canBeDisabled()
+                    ->children()
+                        ->integerNode('item_per_page')
+                        ->info('The number of item to show in the page result, by default')
+                        ->min(1)
+                        ->defaultValue(50)
+                        ->end()
+                    ->end()
                 ->end()
             ->end();