install( FILES   helpers/__init__.py               DESTINATION ${PYTHON_SITE_PACKAGES}/crlcore/helpers ) 
 install( FILES   helpers/io.py                     DESTINATION ${PYTHON_SITE_PACKAGES}/crlcore/helpers ) 
 install( FILES   helpers/analogtechno.py           DESTINATION ${PYTHON_SITE_PACKAGES}/crlcore/helpers ) 
 install( FILES   helpers/overlay.py                DESTINATION ${PYTHON_SITE_PACKAGES}/crlcore/helpers )