Merge pull request #1 from anacarolinats/master

added card type american express - @anacarolinats
new version 0.2
add error_id and error_message in GetAuthorizedException
bugfix
bugfix error_message
Merge pull request #2 from rbouchabki/master

add error_id and error_message in GetAuthorizedException
variable error_id and error_message in "autorizacao"
Merge pull request #3 from rbouchabki/master

variable error_id and error_message in "autorizacao"
version bumped to 0.4
mensagem de erro customizada
Merge pull request #4 from guilhermetavares/master

Mensagem de erros customizadas, resposta do WS da Cielo fica atrelada à instância para facilitar o acesso dessas informações (self.response).
added CONTRIBUTORS
pr improvements
version 0.5
added LICENSE