 - Improve .spf handling of blank passwords; allow empty passwords to be saved (this addresses http://spbug/l/75), and correctly restore empty passwords
 - Improve .spf handling of blank passwords; allow empty passwords to be saved (this addresses http://spbug/l/75), and correctly restore empty passwords

prabowomurti/sequel-pro,prabowomurti/sequel-pro,Shooter7119/sequel-pro,brittneybrinsfield/sequel-pro,vieten/sequel-pro,Shooter7119/sequel-pro,vieten/sequel-pro,Shooter7119/sequel-pro,Shooter7119/sequel-pro,vieten/sequel-pro,prabowomurti/sequel-pro,Shooter7119/sequel-pro,prabowomurti/sequel-pro,brittneybrinsfield/sequel-pro,brittneybrinsfield/sequel-pro,brittneybrinsfield/sequel-pro,vieten/sequel-pro,prabowomurti/sequel-pro