Add task and iterative_task decorator
Also add getBatchOfData method to the base logic and tasks logic
module.
Reviewed-by: Sverre Rabbelier
# Directions for web crawlers.# See http://www.robotstxt.org/wc/norobots.html.User-agent: HTTrackUser-agent: pufUser-agent: MSIECrawlerUser-agent: NutchDisallow: /