Hey guys,
Great work here! I'd like to help out with adding support for v3.0.3 however my pybind11 isn't great. For instance in collections.cpp, resolveMultiMatches (and regularexpressions) now take a Variables::KeyExclusions, however, try as I might to bring that namespace in with PyBind11 it seems to not recognize that. Any ideas?

  virtual void resolveMultiMatches(const std::string& var,
        std::string compartment, std::vector<const VariableValue *> *l,
        Variables::KeyExclusions &ke) {