Dzil5

2 Miscelaneous fixes to make `[Prepender]` work on Dzil 5.

Note: You can probably safely build and release this on Dzil 4 if you remove the `[Encoding]` plugin.

However, as soon as you upgrade to `Dzil 5`, you will need that and be using a patched version of this plugin ( for which, the provided `[Bootstrap::lib]` configuration will solve.