Before, the direct value was given to the user, now it uses the parsed
date so we can match the device's language.
To get the relative time from the parsed dates, we use the PrettyTime
library.
Also introduces a debug option to check the service's original value.
This is a fixup, which fixes the crash in release builds, too. It keeps proguard from removing the new method "private void readObject(ObjectInputStream)", which is only called by the VM, but not from the code.
