Added brazil iban & refactored gemspec & rspec to use bundler standard

iulianu / iban-tools

Validate IBAN numbers

MIT License

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Open itkin opened 8 years ago

itkin commented 8 years ago

Brazil spec defined according to Brazilian Central Bank website doc http://www.bcb.gov.br/Pom/Spb/Ing/IBAN-Guidelines_English.pdf

iulianu commented 8 years ago

The addition of BR is welcome. But please separate the change from the one related to bundler, and submit these as two distinct PRs.