Re-added working DecodeSymbol()
Re-added working DecodeSymbol()


dmtx/dmtx-utils,NaturalHistoryMuseum/dmtx-wrappers,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-utils,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-wrappers,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-wrappers,dmtx/dmtx-wrappers,dmtx/dmtx-wrappers,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-utils,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-wrappers,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-wrappers,NaturalHistoryMuseum/dmtx-wrappers,dmtx/dmtx-wrappers,dmtx/dmtx-wrappers