Snapintime

On the yearly backup cull it was accidentally looking in the local directory to obtain subvolumes to delete

If the program went to write to the log file and was missing a key from the command, it would just crash the program. Fixed.

Trying to make the logs more reflective of issues due to ssh failing.

**Full Changelog**: https://github.com/djotaku/Snap-in-Time/compare/v2.1.2...v2.2.0

Was accidentally looking locally for files.