Preparatory steps for piping with Matlab:
- redirect standard output to log file using fopen() and fprintf()
- write data to output as JSON using fprint() and savejson()
-> doesn't yet work, the output is not standard output and cannot be piped!

modified:   src/matlab/+jterator/+api/+io/build_hdf5.m
modified:   src/matlab/+jterator/+api/+io/check_input_args.m
modified:   src/matlab/+jterator/+api/+io/get_handles.m
modified:   src/matlab/+jterator/+api/+io/read_input_args.m
modified:   src/matlab/+jterator/+api/+io/read_input_values.m
modified:   src/matlab/+jterator/+api/+io/write_output_args.m
modified:   tests/mock/testPipe_example/modules/IdentifyPrimary_jt.m
modified:   tests/mock/testPipe_example/modules/IllumCorr_jt.m
modified:   tests/mock/testPipe_example/modules/PrimeRawData_jt.m