exit option for deletebackup

functions/backup.sh

@@ -43,7 +43,10 @@ do
         echo -e "Choose a restore point to delete\nThese may be out of order if they are not HeavyScript backups"
     fi
     echo "$list_backups"
+    echo
+    echo "0)  Exit"
     read -rt 120 -p "Please type a number: " selection
+    [[ $selection == 0 ]] && echo "Exiting.." && exit
     restore_point=$(echo "$list_backups" | grep ^"$selection)" | awk '{print $2}')
     #Check for valid selection. If none, kill script
     if [[ -z "$selection" ]]; then