[IronPython] System.NotImplementedException encountered

[Boris Capitanu]

Is formatting support on the TODO list already? :-)

IronPython 0.9.5 on .NET 2.0.50727.42
Copyright (c) Microsoft Corporation. All rights
reserved.
>>> ip = "10.20.30.40"
>>> hexip = ''.join(["%04x" % long(i) for i in
ip.split('.')])
Traceback (most recent call last):
   at <shell>
System.NotImplementedException: format code 0
>>>