Emit debug for each ssh option, small comment and format update

Add -R arg

Add '-L' flag.

Light refactoring
Update package deps

Add -c arg

-c runs the ssh binary through 'caffeinate -dimsu' to try to keep the Mac
awake

Fix missing '-o' flag when passing raw options to ssh

Update readme for -n/--no-broadcast

Add sleep option, minor lint updates

Update debug string for options arg