[Ironruby-core] Float parsing is culture dependent (patch included)

[John Lam (DLR)]

Thibaut Barrère:

> Running "rake test" also blew up just after Dir tests. Applying the
> patch managed to let the runner reach third test of StringScanner#new
> (which blows up and makes rake abort).

This is a known bug. I've got a shelveset with a fix for it that I'm going to commit with the next set of changes early next week.

Thanks,
-John