[cookbook] add tests of 05hashes
[cookbook] add tests of 05hashes

perl6/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,stmuk/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,perl6/perl6-examples