"illum_correction.sh": Changed how Python is started. Now the Python path is set in the progs.ini file.
"illum_ldactools.py": Corrected bug (one file was not closed correctly, wrong variable name).
"illum_correction_fit.py": Script has now to be started with Python, it isn't started anylonger within a Python enviorment. Both matplotlib modules have been deleted because they were not needed.
"illum_correction_contourplot_fitfunction.py": Script has now to be started with Python, it isn't started anylonger within a Python enviorment.