This centralizes the code that both `extractor` and the decompiler
executes. In the past this code was partially-duplicated, meaning that
the `extractor` could only do _some_ operations and not others (ie.
could not extract the audio files).
I also simplified the process to enable audio streaming in the
configuration. This is to support a new feature in the launcher that
allows you to enable these options for the decompiler:
Tyler Wilding