Added implementation for layout version 8.3
Add number of registrations in batch trailer
Add explicit version when loading from file
Accept both file name and file object when loading from file
Implemented segments z and j for v83
Merge pull request #1 from sumup/brazil

Brazil - passed review.
Don't use git in gem building
Ignore unknown segments
Merge pull request #2 from sumup/features/ignore_unknown_segments

Ignore unknown segments
Fix test
Correcting the Detail Register
Corrigindo o header do arquivo e do lote e o trailer do lote
Correcao do tamanho do Header
Corrigindo arquivo de registro
Update README.md
Helper de geracao do bradesco com cnab240
New Helper pagamento_bradesco
Altera a versao para suporte do Helper do Bradesco
Inserting BB Cnab240 support
remove whitespaces and tabs

* format code