Bugfix 8531
[*] Updated python-cellframe: Changed PyEval_CallObject function call during plugin initialization, deinitialization and reload. To remove the valgrind warning about using uninitialized memory. Up version node to 5.2-80
[*] Updated python-cellframe: Changed PyEval_CallObject function call during plugin initialization, deinitialization and reload. To remove the valgrind warning about using uninitialized memory. Up version node to 5.2-80