Fix issue #4 : clubs not able to book more than 12 places per competition#355

Tit-Co wants to merge 4 commits intoOpenClassrooms-Student-Center:masterOpenClassrooms-Student-Center/Python_Testing:masterfrom

Tit-Co:bug/club-not-able-to-book-more-than-12-places-per-competitionTit-Co/OpenClassrooms_Project_11:bug/club-not-able-to-book-more-than-12-places-per-competitionCopy head branch name to clipboard