Update TODO.md
Removed persistence added logger
Merge pull request #1 from pavelbinar/patch-1

Update TODO.md
Update TODO.md
Added winston - https://github.com/flatiron/winston
Merge branch 'master' of github.com:korczis/microcrawler
Remove dead code
Do not collect all results, just count
helpers.js -> module helpers
Modularized crawler
Request moved to helpers
Placeholder for alg for passing [object Array] to enqueueUrl