fix: incompatibility in save_module


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/pathos/dill@701 8bfda07e-5b16-0410-ab1d-fd04ec2748df
add file_mode(s) and safeio for filehandles


git-svn-id: svn+ssh://svn.mystic.cacr.caltech.edu/pathos/dill@702 8bfda07e-5b16-0410-ab1d-fd04ec2748df
Merge branch 'master' of https://github.com/uqfoundation/dill

Conflicts:
	dill/__init__.py