To try go get around getting blacklisted several options have been
implemented, such as
[curl] retry/wait/timeout options and an
[main] sleeptime option. See README.md for
some more information.
[main] sleeptimeoption (optional).
[curl] logfileis set the downloader drops some messages containing date/time, execution time of the pycurl call in seconds, a message, name of the outut file.