misc minor typos fixes, dev version

frontends/quick_frontend/quick_chat.py

@@ -72,7 +72,7 @@ class QuickChat():
             error (_("[INTERNAL] trying to remove user for a non group chat window"))
             raise Exception("INTERNAL ERROR") #TODO: raise proper Exception here
         self.occupants.remove(nick)
-        self.printInfo("=> %s has left the room" % nick)
+        self.printInfo("<= %s has left the room" % nick)
 
     def setSubject(self, subject):
         """Set title for a group chat"""