Update changelog for 0.10.1
Add workaround for PyPy round() bug with NumPy data types
Rename enable_hooks and disable_hooks -> install_hooks and remove_hooks
Fix reraise on Python 2 and Python 3

Python 2: be a real function, rather than a nested one
Python 3: need to check that value was an Exception
Rename future.utils.reraise to future.utils.raise_
Bring in updated docs from master branch
Add an exec_ function to ``future.utils``
Add raise_with_traceback() and raise_(); describe in changelog

Also add an alias of reraise to raise_ for backward compatibility
More doc updates
Bump version to v0.10.2
Add back deprecated enable_hooks() alias; update tests
Add explicit ``standard_library.install_hooks()`` step to docs
Update tests for standard library hooks
Remove hooks after use in various tests
Remove debugging info with installing and removing stdlib hooks