Fix doc typo
Bump version to v0.8.3-dev
More doc updates
Add --all-imports option to futurize. Now by default again fewer imports are added
Add tests for isinstance(x, tuple_of_types)
Add failing test for str.encode() with encoding as a non-keyword arg
Update docs
Further work on the --all-imports option to ``futurize`` script.

* Also add docs to the "Automatic Conversion" and "What's New" pages.
Add test_isinstance.py from Py3.3 test suite
Add suspend_hooks() to standard_library module
Add and improve various tests
futurize: change fix_future_builtins to add only those imports that are needed
Add Python 2.6 to PyPI classifier metadata
Bump version to v0.9.0-dev; update What's New doc
Fix test_str_encode_cp1251 (issue #14)
Remove isinstance() implementation and replace with __instancecheck__ overrides
Add a couple more little ``int`` tests
Mark test_type() as xfail
Test and fix for issue #15: os.path.join(p, s) with newstr
Patch for buggy newstr.__radd__

* This needs unit tests!