Migrations execute function should allow semicolons

[stilliard]

Currently the execute function splits the query string given by semi colons, see: https://github.com/ruckus/ruckusing-migrations/blob/master/lib/Ruckusing/Adapter/MySQL/Base.php#L325

But that doesn't take into consideration semicolons inside of quotes that should not be treated this way.
E.g.

insert into a(id,name) values(1,'test'); insert into b(id,name) values(1,'another test');

That should work this way, however:

insert into a(id,name) values(1,'test;test')

should not be split!
This should apply to semicolons inside single and double quotes.