v0.18.5

Changelog:

be48ba3 Fix enabling metric persistence
3b22f84 Improve stopping of modules
3dbffd9 Improve handling of service worker errors
ec1616c Improve api logging when handler/endpoint does not exist
7799e85 Report info metric as 0 the first time to track when software is (re)started
05bdc44 Fix waiting for log writers on shutdown, improve persistence enabling