Fix ``futurize --tobytes``
Add test for ``futurize --tobytes``
Add two more xfail tests for desired ``futurize`` features
Bump version to v0.10.1
Fix a dodgy test: importing the stdlib without explictly enabling hooks
Fix str.join test on Py3
Update changelog for 0.10.1
Experiments with making the stdlib hooks more robust
Update docs to reflect new ``with standard_library.enable_hooks()`` regime ...
Add workaround for PyPy round() bug with NumPy data types
Remove deprecated alias for the isinstance builtin
Describe explicit import forms more prominently
Merge branch 'stdlib_experiments'