As documented in this blog entry, Twitter will cut off unauthorised access via the 1.0 API in six months. twitter-archive must have migrated to 1.1, including some authentication mechanism, by then.
Thanks! I'll try to update it before then. Although I've also been meaning to look into the project https://github.com/sferik/t to see if it does everything this project does ;)
As documented in this blog entry, Twitter will cut off unauthorised access via the 1.0 API in six months. twitter-archive must have migrated to 1.1, including some authentication mechanism, by then.