Pylons/colander — pull request #65 by msiedlarek (2012-09-28 10:18:44+00:00)
Title: Correct handling of ISO 8601 timezone format

Currently supported UTC offset formats are:

Z
[+-]hh:mm

But ISO 8601 allows also:

[+-]hhmm
[+-]hh

This patch makes it possible to use those two latter formats with colander.