sapG bug fix. Closes #662.
HAVAL fixes. Closes #652.
Reorder test vectors so an untagged one come first if applicable.
Minor Unicode/encoding fixes.
Move the recent --list=format-tests changes to a new function,
and use it also for --list=format-all-details.
Listconf: Drop trailing ':' from example cipher text.
Fix peculiar bugs introduced by 5bd568d1