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Added
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New features:
* First stable version.
* API documentation.
* A command-line interface for easy automated fetching of data.
* A stable relational data model, to make further analysis or data processing
independent of the details of data ingest.
* Support for fetching follow-graph edges, tweets, lists and user info.
* Support for a variety of database backends via sqlalchemy.
* Type-2 SCD for tracking the follow graph and list membership over time.
* Many sanity checks in the data model to ensure correctness of loaded data.
* Loaded data is extensively normalized: mentions, replies, retweets,
and entities like hashtags are extracted into first-class objects for
more convenient and accessible analysis.
* Users can be tagged into arbitrary groups for greater convenience in
analysis or data collection.
* Support for both app-only and user authentication to the Twitter API.