Allow users to inspect the sqlite queries used

[ross-spencer]

There's are a number of sqlite queries on `sqlitefid. They may be of interest to users and it is possible they might want to use them for themselves to build similar tooling.

Add an audit mechanism that allows users to see those calls for their own format identification reports.

Related to #54

[ross-spencer]

From the attached PR, output might look as follows: https://gist.github.com/ross-spencer/1f6cf16c9f966b980db277f7a932d81b