Compatibility with MacOS 10.x

[OptimusGREEN]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] MacOS 11 is currently required.

Describe the solution you'd like A clear and concise description of what you want to happen. Add compatibility for MacOS 10.x (maybe high sierra and up?)

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered. NA

Additional context Add any other context or screenshots about the feature request here. Looks like a nice tool, unfortunately this mac is stuck on Catalina.

[macnev2013]

Thanks for reporting the issues @OptimusGREEN . We will try to add backwards compatibility here to make sure everyone can benefit from MacSCP. Thanks