anchor.diff:    - Functions/lambdas representation are no longer shown in `?` help message.
     - Added ability to supply additional `help` message.
   
  -=== Bug fixes
  +=== Fixed
     - Default values are no longer accumulated in help messages.
     - Can now use blank string along with valid inputs.
   
  
positive.code:   - Added `echo()`, essentially a portable replacement for `print()`.
    - When used as function, first argument to `status()` is message and second is function.
  
  === Bug fixes
    - Fixed potential bug with Python 2.x and print statement.
  
  == qprompt-0.3.0 (2016-02-27)
  
negative.code: === Changed
    - Can now return any part of of a `MenuEntry` from `show_menu()`.
  
  === Fixed
    - Added missing return statement for `Menu.main`.
  
  == qprompt-0.9.2 (2017-06-02)
  