delete old perl6doc files
fix DateTime.Date (RT #114758)'
Merge branch 'nom' of github.com:rakudo/rakudo into froggs_mergemulti
RT #109586: .pick on a large range has too little entropy

fixed by using nqp::rand_I instead of Num.rand
Merge branch 'nom' of github.com:rakudo/rakudo into froggs_mergemulti