correct escape behavior

command_prompt.py

@@ -89,6 +89,9 @@ class Command_prompt(Label):
                 self.insert=False
                 self.run_command()
                 self.set_text("")
+            elif keycode[1]=="escape":
+                self.insert=False
+                self.set_text("")
 
             # move
             elif keycode[1]=="left":

main.py

@@ -34,6 +34,8 @@ class Jam_app(App):
 
 # disable red circles on right click
 Config.set('input', 'mouse', 'mouse,disable_multitouch')
+# do not exit on escape
+Config.set('kivy', 'exit_on_escape', 0)
 
 # run
 if __name__ == '__main__':