slex regression #2: post process last scanned token before bailing.
Add extension point for translations.

Keep a copy of all compile options in the dtl context to allow the
extension module to support custom options.
Propagate test status back to make.
Fix extension test module.
for loop should be able to loop over values and filtered variables too.

Related, added test to prove that issue #99 is fixed.
Merge branch 'master' into goldenpath