void category_move(guint32 key1, guint32 key2);
gboolean category_rename(Category *item, const gchar *newname);
gint category_change_type(Category *item, gboolean isIncome);
void category_move(guint32 key1, guint32 key2);
gboolean category_rename(Category *item, const gchar *newname);
gint category_change_type(Category *item, gboolean isIncome);