initial conversion of dill.py to python3; removed duplicate _create_lock; removed unused MethodWrapper registration
initial conversion of dill.py to python3;
removed duplicate _create_lock; removed unused MethodWrapper registration


git-svn-id: df3a7ed15ef7bc1bd4e913d3c8231ba6def0a9e6@529 8bfda07e-5b16-0410-ab1d-fd04ec2748df

mindw/dill,wxiang7/dill