now all errors are given with a messagedialog, instead of a terminal printmastermob
treea1d9a58ba1c4e9bf318ad6fab9c387b74df508cc
-rw-r--r-- 3966 gui.py
-rw-r--r-- 1263 main.py
-rw-r--r-- 7732 mainwindow.glade
-rw-r--r-- 3310 rename.py