Upgrade to Heptapod 0.8.4
It would be better to do it before 0.12.0 (see #50 (closed)), because of the backup fixes, and also because the sooner we have heptapod#208 (closed), the better.
It would be better to do it before 0.12.0 (see #50 (closed)), because of the backup fixes, and also because the sooner we have heptapod#208 (closed), the better.