Added custom exception hook for logging; removed cruft; added shutdown signal

src/core/window.py

@@ -1,5 +1,4 @@
 # Python imports
-import time
 import signal
 
 # Lib imports
@@ -99,6 +98,8 @@ class Window(Gtk.ApplicationWindow):
 
 
     def _tear_down(self, widget = None, eve = None):
+        event_system.emit("shutting_down")
+
         size = self.get_default_size()
         pos  = self.get_position()
 
@@ -109,5 +110,4 @@ class Window(Gtk.ApplicationWindow):
         settings_manager.save_settings()
 
         settings_manager.clear_pid()
-        time.sleep(event_sleep_time)
         Gtk.main_quit()