This change prevents returning '-0' (negative zero) when roundTemp is true
This change prevents returning '-0' (negative zero) when roundTemp is true

Tyvonne/MagicMirror,MichMich/MagicMirror,MichMich/MagicMirror,Tyvonne/MagicMirror,Tyvonne/MagicMirror,Tyvonne/MagicMirror,MichMich/MagicMirror,MichMich/MagicMirror