Add explicit version on DBD::Sqlite

This wasn't so much an issue in workflow, but in genome the newer
versions of this library cause lots of errors like:

DBD::SQLite::st execute failed: attempt to write a readonly database
Merge pull request #12 from davidlmorton/fix_ur_dep

Add explicit version on DBD::Sqlite
Added Test::Deep, a future requirement.
Merge pull request #13 from gsanders/add_test_deep

Added Test::Deep, a future requirement.