Refactor RequisicaoTransacao components to their own files
Enhances RequisicaoTransacao code organization
Removes distractible CODIGOS_AUTORIZACAO constant
Refactor hard coded validation messages in favor of I18n support
Finishes base -> requisicao refactoring started at #e5aeb8f8
Moves store mode / cielo mode selection to Cieloz::Configuracao
Moves homologation related data to Homologacao module
Moves Cieloz::Helper to a file
Moves Cielos::DadosEc to Cieloz::Requisicao module
Moves response classes to their own files
Converts Cieloz::MAX_INSTALLMENTS constant to a Cieloz::Configuracao module attribute
Small code enhancements
Moves Cieloz::Bandeiras to a file
Reorganizes code
Validate http.post response