diff --git a/gui_helper.py b/gui_helper.py
index 9319aeb..f9f2b73 100644
--- a/gui_helper.py
+++ b/gui_helper.py
@@ -1,51 +1,6 @@
 import tkinter as tk
 import util
 
-# easy way to communicate across events
-class Communication:
-    def __init__(self):
-        self.__messages = {}
-
-    # send a message tagged with name and containing content, adds to the beginning of the list of messages with the same tag by default
-    def send(self, name, content, reverse_order=True):
-        if name in self.__messages:
-            if reverse_order:
-                self.__messages[name] = [content] + self.__messages[name]
-            else:
-                self.__messages[name] = self.__messages[name] + [content]
-        else:
-            self.__messages[name] = [content]
-
-    # get the content of the first message tagged with name, removes the returned message by default
-    def get(self, name, remove=True):
-        if name in self.__messages and len(self.__messages[name])>0:
-            if remove:
-                content = self.__messages[name].pop(0)
-                if len(self.__messages[name])==0:
-                    del self.__messages[name]
-                return content
-            else:
-                return self.__messages[name][0]
-        else:
-            return None
-
-    # get the contents for all messages tagged with name
-    def get_all(self, name, clear=False):
-        if name in self.__messages and len(self.__messages[name])>0:
-            contents = self.__messages[name]
-            if clear:
-                del self.__messages[name]
-            return contents
-
-    # deletes all messages tagged with name
-    def clear(self, name):
-        if name in self.__messages:
-            del self.__messages[name]
-
-    def __del__(self):
-        if len(self.__messages)>0:
-            util.warn("__messages not empty upon destruction of Communitation object:\n"+str(self.__messages))
-
 
 def not_implemented():
     util.warn("Not implemented!")
diff --git a/util.py b/util.py
index 0961c76..cb8eea7 100644
--- a/util.py
+++ b/util.py
@@ -3,6 +3,51 @@ import sys, traceback
 EXIT_SUCCESS=0
 EXIT_ERROR=1
 
+# easy way to communicate across events
+class Communication:
+    def __init__(self):
+        self.__messages = {}
+
+    # send a message tagged with name and containing content, adds to the beginning of the list of messages with the same tag by default
+    def send(self, name, content, reverse_order=True):
+        if name in self.__messages:
+            if reverse_order:
+                self.__messages[name] = [content] + self.__messages[name]
+            else:
+                self.__messages[name] = self.__messages[name] + [content]
+        else:
+            self.__messages[name] = [content]
+
+    # get the content of the first message tagged with name, removes the returned message by default
+    def get(self, name, remove=True):
+        if name in self.__messages and len(self.__messages[name])>0:
+            if remove:
+                content = self.__messages[name].pop(0)
+                if len(self.__messages[name])==0:
+                    del self.__messages[name]
+                return content
+            else:
+                return self.__messages[name][0]
+        else:
+            return None
+
+    # get the contents for all messages tagged with name
+    def get_all(self, name, clear=False):
+        if name in self.__messages and len(self.__messages[name])>0:
+            contents = self.__messages[name]
+            if clear:
+                del self.__messages[name]
+            return contents
+
+    # deletes all messages tagged with name
+    def clear(self, name):
+        if name in self.__messages:
+            del self.__messages[name]
+
+    def __del__(self):
+        if len(self.__messages)>0:
+            util.warn("__messages not empty upon destruction of Communitation object:\n"+str(self.__messages))
+
 def info(message):
     # print info to sys.stderr because it isn’t really output, just debug information
     print("INFO: "+str(message), file=sys.stderr)