removed extra time_limit checks from SmartDownloader (because it's already checked inside Downloader)
removed extra time_limit checks from SmartDownloader (because it's already checked inside Downloader)

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