adding collections wrappers

git-svn-id: svn://fountainhead.talkpoint.com/nori/trunk@13021 940247f8-a3eb-dc11-81c7-0019d144f6e4
fix doctring, fix module name collision

git-svn-id: svn://fountainhead.talkpoint.com/nori/trunk@13022 940247f8-a3eb-dc11-81c7-0019d144f6e4
use new ordereddict wrapper

git-svn-id: svn://fountainhead.talkpoint.com/nori/trunk@13023 940247f8-a3eb-dc11-81c7-0019d144f6e4
missing "system" header

git-svn-id: svn://fountainhead.talkpoint.com/nori/trunk@13024 940247f8-a3eb-dc11-81c7-0019d144f6e4
comments, etc re circular import problem in collections.py with pyversion_check()

git-svn-id: svn://fountainhead.talkpoint.com/nori/trunk@13025 940247f8-a3eb-dc11-81c7-0019d144f6e4