renamed res arg to resolution for consistancy, moved pytube cli into repository root, renamed it pytubectl
renamed res arg to resolution for consistancy, moved pytube cli into repository root, renamed it pytubectl

harsham05/pytube,pytube/pytube,DomainGroupOSS/pytube,DomainGroupOSS/pytube,garg10may/pytube,mserjx/pytube,harsham05/pytube,garg10may/pytube,mserjx/pytube