Adding numpy::isclose support
Fixing allclose bug w/ infinite values
Merge pull request #280 from artas360/master

Adding numpy isclose & fixing allclose
Rework pythran import transformation for future submodule support
Accept submodule function
Add os.path submodules.

So that submodules can be tested
Remove useless files

* Duplicate from pythran/pythonic/__dict__/fromkeys.hpp