Updated CMS PAGINATION with the last Jocelyn's suggestion.

Added a node pagination helper, to build the html links and header related to
pagination.

modules/node/cms_node_api.e

@@ -220,10 +220,10 @@ feature -- Access: Node
 			Result := node_storage.trashed_nodes (a_user.id)
 		end
 
-	recent_nodes (a_offset, a_rows: INTEGER): LIST [CMS_NODE]
+	recent_nodes (a_pagination: CMS_PAGINATION_BUILDER): ITERABLE [CMS_NODE]
 			-- List of the `a_rows' most recent nodes starting from  `a_offset'.
 		do
-			Result := node_storage.recent_nodes (a_offset, a_rows)
+			Result := node_storage.recent_nodes (a_pagination.offset.to_integer_32, a_pagination.count.to_integer_32)
 		end
 
 	node (a_id: INTEGER_64): detachable CMS_NODE