Database: PageDao/CategoryDao: Return 'Page' object, not pagename string

database/categorydaosqlite.h

@@ -3,12 +3,13 @@
 
 #include "categorydao.h"
 #include "sqlitedao.h"
+#include "../page.h"
 class CategoryDaoSqlite : public CategoryDao, protected SqliteDao
 {
   public:
 	CategoryDaoSqlite();
 	std::vector<std::string> fetchList(QueryOption o) override;
-	std::vector<std::string> fetchMembers(std::string name, QueryOption o) override;
+	std::vector<Page> fetchMembers(std::string name, QueryOption o) override;
 	void save(const Category &c) override;
 	void deleteCategory(std::string name) override;
 	std::optional<Category> find(std::string name) override;