Function assign_bitwise_or

include/chaiscript/dispatchkit/operators.hpp:42–45

      template<typename T>
        void assign_bitwise_or(Module& m)
        {
          m.add(chaiscript::fun([](T &lhs, const T&rhs)->T&{return lhs |= rhs;}), "|=");
        }

      template<typename T>
        void assign_difference(Module& m)