Adding cd and ls commands to the CLI
Fix attachment extraction buglets, make attachments discoverable in CLI
Add cover/ to .gitignore to ignore nose --cover-html output
Add HostNameCheck for ipv4, ipv6, and DnsName/HostName validation
Add UrlCheck and EmailCheck
Fix tiny Bug in VCardLine.set_attr to update existing attrs
Add tests for config, eventlog, and vcard

Remove relic

Allow empty slugs