The only error I could find is a segfault when closing the interface, which does not prevent using this code.
The data and corresponding command lines used for all examples in the paper are available in the data zip file available on the project's webpage. The program can be used from command line or through an interface. No documentation explains the different parameters.
If you want to contribute with another review, please follow these instructions.
Please consider to cut/paste/edit the raw JSON data attached to this paper.