Verifies some settings and returns whether the program should continue executing (or whether there were errors such that we should exit).
This is called after command-line arguments have been parsed.
The current Kameloso instance.
Next.returnFailure if the program should exit, Next.continue_ otherwise.
Verifies some settings and returns whether the program should continue executing (or whether there were errors such that we should exit).
This is called after command-line arguments have been parsed.