1. Stake Freddy.

e.g. further improve subprocess interrupt, exceptions, and termination.
2. Remove the workarounds in PyShell.py and ScriptBinding.py involving
   interrupting the subprocess prior to killing it, not necessary anymore.
3. Fix a bug introduced at PyShell Rev 1.66: was getting extra shell menu
   every time the shell window was recreated.

M PyShell.py
M ScriptBinding.py
M rpc.py
M run.py

Lib/idlelib/rpc.py

@@ -41,7 +41,6 @@ import copy_reg
 import types
 import marshal
 
-import interrupt
 
 def unpickle_code(ms):
     co = marshal.loads(ms)
@@ -327,12 +326,9 @@ class SocketIO:
         while len(s) > 0:
             try:
                 n = self.sock.send(s)
-            except AttributeError:
+            except (AttributeError, socket.error):
                 # socket was closed
                 raise IOError
-            except socket.error:
-                self.debug("putmessage:socketerror:pid:%s" % os.getpid())
-                os._exit(0)
             else:
                 s = s[n:]
 
@@ -471,7 +467,6 @@ class SocketIO:
             self.responses[key] = ('EOF', None)
             cv.notify()
             cv.release()
-        interrupt.interrupt_main()
         # call our (possibly overridden) exit function
         self.exithook()