* Adding Certstream and Shodan matchers
* Insert or skip for new matchers (working without having to drop the DB
and not more duplicate matchers)
* Closing files after using them
* Adding Match model to schema and Node (for unmarshalling purposes)
Some of keywords are indexed and open for full text search, please refer
to the README for more details.
CertStream, Pastebin and Shodan are running as services and can be
searched.
Next steps: building the matcher and creating edges.
