Some grammar/spelling/etc. fixes for the README.
Some grammar/spelling/etc. fixes for the README.

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