JOSE: matches and tournaments

[sconde]

For independent learner, it would be very helpful to annotate the notebooks with verbose comments and/or explanations for the output of the commands.

Without some comments, the modules may not be self contained for self learner. For example, a small explanation for the result of the match Cooperator vs Random

[(C, D), (C, D), (C, C), (C, C), (C, D)]