Getting the distances used in minimization

Hi,

I think it would be great if we could get as an output the distances used to get each chi^2.
The output should show, not only the chi^2, number of fits and extinction but also the distance used for the fit.

Cheers,
Guilherme Teixeira

No file or test is named. Start by tracing the minimization results and the existing output that reports chi^2, fit count, and extinction; done means the distance used for each fit is included alongside those values.

Written by the indexing model from the issue text.