true value of the keepGoing flag tells the SBOL reader
to continue reading an SBOL input file, after it encounters an SBOL validation exception;
a false value forces the reader to stop reading after it encounters
an SBOL validation exception.true value of the keepGoing flag tells the SBOL writer
to continue writing an output file, after it encounters an SBOL conversion exception;
a false value forces the writer to stop writing after it encounters
an SBOL conversion exception.