Fixes #50
Basic prefetch implementation for FetcherAgent
Cosmetics
Added Rank Field
Added AMQP extensions require
Cosmetics
Added SpiderCrawler
Splitted declarations
Cosmetics
Using splitted declarations
Cosmetics
Finalized exchange declarations refactoring related changes
Fixed
Late night fixes
Merge pull request #53 from korczis/feat-paas

Improving PaaS