rss_subset_aggregator: Added ORDER BY statements (+ statement-related refactoring)
rss_subset_aggregator: Added ORDER BY statements (+ statement-related refactoring)

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools