[Completion] Fixed major completion regressions that appeared from previous changes + prevented double display of nested locals. Fixed completion within nested methods.
[Resolver] Fixed #110 - no completion on 'this.'
[Completion] Don't show template parameters in member completion.
Added an exaustive completion tester.
The exaustive tester is now fully parallel.
Fixed an occasinal null-ref when starting up the exaustive completion tester.
Made exceptions triggered output in a uniform manner.