1 new commit pushed to

<https://github.com/RTimothyEdwards/netgen/tree/master|master>

by RTimothyEdwards

<https://github.com/RTimothyEdwards/netgen/commit/47c3b34612fccfcb56cbbdd806cb67c70a03ced7|47c3b346>

- Corrected the node merging around zero-volt voltage sources and RTimothyEdwards/netgen