"""Function to read config files from different paths. Checks for path in $PYCAOSDBINI or home directory (.pycaosdb.ini) and in the current working directory (pycaosdb.ini).
"""Function to read config files from different paths. Checks for path in $PYCAOSDBINI or home directory (.pycaosdb.ini) and in the current working directory (pycaosdb.ini).