Add package_data to setup.py
Minor fix for scraping.py
Add list2tuple() and tuple2list() to utils.py
Add needsconnection() and connect() to caching.py and to CouchDB backend couchcache.py
Allow comments in config's JSON
Rename _scheduler() to iterscrapers() in scraping.py
Add correct absolute module-path to config (otherwise default config can not be found)
Update .gitignore
Bump version to 0.2.1