Labs for CBCs.
CBC moved to use of labs; also fixes for tests broken by footer checkin.
Removing separate converted columns, moving into lab field.
Switching from try/catch to precondition checks.
More inclusive check
More
Fixing NPE for time series in the stub.
Merge pull request #98 from alxdarksage/labwork2

CBCs moved to labs; also fixes for tests broken by footer checkin.