Closed requested to merge bitbucket/declined-pr-80 into branch/default
Created originally on Bitbucket by cbjadwani (Chirag)
Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.
Fix bugs and add missing classes in the pure python itertools in lib_pypy directory. Passes all tests in "lib-python/2.7/test/test_itertools.py"