Bug/sftp quote urls (#2261)
Bug/sftp quote urls (#2261)

[fix] sftp plugin doesn't properly handle paths with characters not allowed in normal URLs.
JorisDeRieck/Flexget,tobinjt/Flexget,tobinjt/Flexget,JorisDeRieck/Flexget,tobinjt/Flexget,JorisDeRieck/Flexget,malkavi/Flexget,crawln45/Flexget,crawln45/Flexget,gazpachoking/Flexget,tobinjt/Flexget,malkavi/Flexget,malkavi/Flexget,Flexget/Flexget,Flexget/Flexget,JorisDeRieck/Flexget,ianstalk/Flexget,crawln45/Flexget,ianstalk/Flexget,Flexget/Flexget,Danfocus/Flexget,Danfocus/Flexget,Danfocus/Flexget,crawln45/Flexget,malkavi/Flexget,ianstalk/Flexget,Flexget/Flexget,gazpachoking/Flexget,Danfocus/Flexget