Add FTP class
Add change_dir method to FTP class
Add list_files method to FTP class
Add details on error message
Clean some code
Add last details to class FTP
Fix get path parameter
Fix get_file_date error message
Now the config is returned by get_config_json()
Add error codes
Merge pull request #6 from LisandroSeijo/ftpsupport

Soporte para subir backups por ftp