Install faulthandler in the hope of catching more Qt segfaults

engine/start.py

@@ -27,6 +27,12 @@ We don't want to use all the libraries, including the big Qt one, only to end up
 Same with the tests if jack or nsm are running.
 """
 
+#Give at least some feedback when C libs crash.
+#Will still not work for the common case that PyQt crashes and ends Python.
+#But every bit helps when hunting bugs.
+import faulthandler; faulthandler.enable()
+
+
 from engine.config import *  #includes METADATA only. No other environmental setup is executed.
 from qtgui.helper import setPaletteAndFont #our error boxes shall look like the rest of the program