Added 'collection_iter', like 'iter', for anything that implements the @collection.iterator or __iter__ interface.
Added 'collection_iter', like 'iter', for anything that implements the @collection.iterator or __iter__ interface.


git-svn-id: 655ff90ec95d1eeadb1ee4bb9db742a3c015d499@3473 8cd8332f-0806-0410-a4b6-96f4b9520244

obeattie/sqlalchemy,obeattie/sqlalchemy,obeattie/sqlalchemy