ctrl+d and ctrl+c in ask don't ask like typing enter

cccli/printer.py

@@ -146,8 +146,13 @@ class Printer(object):
             raise cliError("Unable to ask question in non-interactive mode")
         h = list(self.history)
         self.history.clear()
+        r = ""
         try:
             r = self.getline(prompt)
+        except EOFError:
+            pass
+        except KeyboardInterrupt:
+            pass
         finally:
             self.history.load(h)
         return r