Make listcampaigns use pycrits.

Abstract the details of connecting to CRITs into a helper function.

Use the returned pycrits object to iterate over campaigns.
Make listtypes use pycrits.
Make lisindicators use pycrits.
Remove everything, re-thinking it all.
Major re-write. Everything has changed.

Docs to be updated soon(TM).
Note requirement change.
Add support for disabling SSL verification.
Add relatedactors and make sanitise() work with lists.
Update with new Actor entity.
Merge pull request #7 from wxsBSD/pycrits

Major re-write.