Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo. Avoids needing to
repeatly update.
Also updates AUTHORS.txt from current repo with contributor names
Don't parse PEGTL twice, once for modelType and once for
model itself.
Also don't do O(n^2) searches on parameter names when
reading libraries.
And, because it's still too slow, multi-thread it.
