v0.7.1
adds support for GRML-files (which contain priorities in GreatSPN export, while pnml does not)
also fixes bugs/errors/segfaults with respect to cleanly unrolling cancellations in nested nets
adds support for GRML-files (which contain priorities in GreatSPN export, while pnml does not)
also fixes bugs/errors/segfaults with respect to cleanly unrolling cancellations in nested nets