[PyQt] ANN: SIP v4.13.1 Released

[Phil Thompson]

SIP v4.13.1 has been released. This is required by PyQt v4.9. From the
NEWS file...

  - Deprecation warnings can no longer be disabled.
  - Added the all_raise_py_exception argument to the %Module directive.
  - Added the /NoRaisesPyException/ function annotation.
  - Added the /PyName/ typedef annotation.
  - Class templates now allow super-classes to be defined as template
    arguments.
  - Added support for 'public' preceding the name of a class in a
    super-class list.
  - Added support for 'protected' and 'private' preceding the name of a
    class in a super-class list.  Any such super-class will be ignored.

Phil