LTe/iban-check — pull request #6 by thbar (2012-02-04 23:20:55+00:00)
Title: Fix for Ruby 1.9 compatibility: string[index] does not return an integer...

... but the character itself now. This commit supports both 1.8 and 1.9.

This fixes #5.

Not completely sure if some other parts need fixing or not, yet.