Initial commit. All tests pass on 2.7, 3.2 and 3.3, though there are some atexit errors in the multiprocessing module in 2.7/3.2 (seemingly unrelated to setuptools).

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Updated to fix errors on 2.5.

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Misc. updates following 2to3 checks.

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Merged upstream changes.

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Post-merge fixes.

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More post-merge fixes.

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Add back accidentally deleted import.

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Tidied up imports.

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Minor change to minimise diffs with upstream.

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Minor change to minimise diffs with upstream.

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Merged in vinay.sajip/setuptools/single-codebase (pull request #5)

Additional changes relating to single codebase support
Restore Python 2.4 compatibility in test_easy_install. Fixes #21
Update changelog
Merge fix for #21